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Research Article | Volume 18 Issue 6 (June, 2026) | Pages 998 - 1003
Surgical Volume and Outcomes: The Impact of Hospital Experience on Appendectomy, Cholecystectomy, and Hernia Repair
 ,
 ,
1
Associate Professor 2Department of Surgery, Maharishi Markandeshwar College of Medical Sciences and Research Sadopur, Ambala
2
Assistant Professor Department of Surgery, Maharishi Markandeshwar College of Medical Sciences and Research Sadopur, Ambala
3
3Department of Physiology, Maharishi Markandeshwar Assistant ProfessorCollege of Medical Sciences and Research Sadopur, Ambala
Under a Creative Commons license
Open Access
Received
May 27, 2026
Revised
June 5, 2026
Accepted
June 18, 2026
Published
June 29, 2026
Abstract

Background: Hospital surgical volume has been recognized as an important determinant of patient outcomes across a variety of surgical procedures. High-volume hospitals often demonstrate greater technical expertise, standardized perioperative protocols, and multidisciplinary support, which may contribute to improved postoperative outcomes. Although this relationship has been well established for complex surgical procedures, evidence regarding common general surgical operations such as appendectomy, cholecystectomy, and hernia repair remains inconsistent. Methods: A hospital-based observational study was conducted among 100 patients who underwent appendectomy, cholecystectomy, or hernia repair during the study period. Demographic characteristics, clinical variables, surgical procedure details, operative time, length of hospital stay, postoperative complications, readmission rates, and mortality were recorded using a structured data collection form. Patients were categorized according to the surgical volume of the treating hospital. Statistical analysis was performed to compare outcomes between groups using appropriate descriptive and inferential statistical methods. A p-value of less than 0.05 was considered statistically significant. Results: The study evaluated postoperative outcomes among patients undergoing common general surgical procedures. Differences in operative characteristics, postoperative complications, length of hospital stay, and readmission rates were assessed according to hospital surgical volume. The findings demonstrated an association between hospital experience and selected clinical outcomes, suggesting that institutional surgical volume may influence perioperative care and recovery. Detailed statistical findings are presented in the Results section. Conclusion: Hospital surgical volume appears to be an important factor influencing outcomes following appendectomy, cholecystectomy, and hernia repair. Strengthening surgical expertise, standardizing perioperative care pathways, and implementing quality improvement initiatives may enhance patient outcomes across healthcare institutions. Further multicenter studies with larger sample sizes are recommended to validate these findings.

Keywords
INTRODUCTION

Appendectomy, cholecystectomy, and hernia repair are among the most common general surgical treatments. Surgical procedures make up a substantial portion of healthcare delivery globally. These treatments significantly increase the overall surgical workload of hospitals and are performed for a range of elective and emergency circumstances[1]. Despite significant improvements in patient outcomes over the past few decades due to advancements in surgical methods, anesthesia, and perioperative care, differences in postoperative morbidity, mortality, duration of hospital stay, and healthcare expenditures persist among healthcare facilities. Hospital surgical volume, which is the number of particular procedures carried out within a healthcare facility during a specified period of time, is one of the aspects that has received significant attention in surgical research[2].

 

The idea of the volume-outcome link was first proposed in response to findings that better patient outcomes were typically attained by hospitals and doctors who performed more sophisticated surgical procedures. Higher surgical volumes have since been linked to reduced death rates, less postoperative complications, shorter hospital stays, and better long-term survival for a variety of high-risk procedures, according to several studies. Greater technical proficiency, more clinical experience, standardized treatment procedures, enhanced interdisciplinary cooperation, and easier access to specialist tools and support services are all thought to contribute to this association[3]. As a result, hospital volume has come to be seen by healthcare officials as a crucial measure of surgical quality and patient safety.

 

Although the volume-outcome relationship is well-established for complicated procedures such liver transplantation, esophagectomy, pancreatic resection, and cardiovascular surgery, its relevance to routine general surgical procedures is still unclear[4]. Hernia repair, cholecystectomy, and appendectomy are common procedures carried out in institutions of all sizes and capacities, which makes them perfect for assessing whether institutional experience affects patient outcomes. In contrast to highly specialized procedures, general surgeons frequently perform these procedures, which are generally accessible in both community hospitals and tertiary referral facilities. Thus, knowing how hospital surgery volume affects these procedures has significant ramifications for healthcare planning, resource distribution, and quality-improvement programs[5].

 

In a similar vein, laparoscopic cholecystectomy is now the gold standard for treating acute cholecystitis and symptomatic gallstone disease. Compared to open cholecystectomy, the treatment is linked to shorter hospital stays, a quicker return to normal activities, and higher patient satisfaction. However, problems including bleeding, conversion to open surgery, bile duct damage, and postoperative infection still happen. The availability of specialist perioperative care, institutional experience, and surgeon skill may all affect how frequently these adverse events occur[6].

 

Another often carried out surgical technique is hernia repair, which includes inguinal, femoral, umbilical, and incisional hernias. Recurrence rates have dramatically decreased and postoperative results have improved thanks to developments in prosthetic mesh materials and minimally invasive procedures. Patients may nonetheless encounter issues like wound infection, persistent postoperative discomfort, seroma formation, hematoma, and hernia recurrence in spite of these advancements. With skilled surgical teams, consistent operating procedures, and thorough postoperative follow-up, hospitals with higher procedural numbers might be better able to handle these issues[7].

 

In order to assess the correlation between hospital surgical volume and postoperative outcomes for patients undergoing hernia repair, cholecystectomy, and appendectomy, the current study was carried out. In particular, the study examines readmission rates, length of hospital stay, postoperative complications, operating factors, and demographics between patients treated in facilities with varying degrees of surgical expertise[8]. It is anticipated that the results of this investigation will add to the body of knowledge regarding the volume-outcome relationship and offer proof that could bolster methods for enhancing the effectiveness, safety, and quality of general surgical care.

MATERIAL AND METHODS

A hospital-based observational cross-sectional study was conducted to evaluate the association between hospital surgical volume and postoperative outcomes among patients undergoing appendectomy, cholecystectomy, and hernia repair. The study was carried out in the Department of General Surgery of participating hospitals over a 12 month study period. Hospitals were categorized according to their annual surgical workload into high-volume and low-volume centers based on the number of appendectomy, cholecystectomy, and hernia repair procedures performed annually. Study Population: The study included 100 consecutive patients who underwent appendectomy, cholecystectomy, or hernia repair during the study period. Both emergency and elective surgical cases were considered eligible according to the predefined inclusion criteria. Patients were recruited using a consecutive sampling technique until the desired sample size was achieved. Inclusion Criteria Patients fulfilling the following criteria were included in the study: 1. Age 18 years and above. 2. Patients undergoing appendectomy, cholecystectomy, or hernia repair. 3. Patients who provided written informed consent to participate. 4. Patients with complete demographic, clinical, operative, and postoperative records. Exclusion Criteria The following patients were excluded from the study: 1. Patients younger than 18 years. 2. Patients undergoing combined or multiple major surgical procedures. 3. Patients with severe polytrauma requiring multidisciplinary surgical management. 4. Patients with incomplete medical records or missing postoperative follow-up data. 5. Patients who declined participation in the study. Sample Size: A total of 100 patients were included in the study. The sample size was selected to provide adequate representation of patients undergoing common general surgical procedures within the study period and to facilitate comparison of postoperative outcomes between hospitals with different surgical volumes. Data Collection: Data were collected prospectively using a structured data collection form developed specifically for the study. Information was obtained from patient interviews, hospital medical records, operative notes, anesthesia records, and postoperative follow-up documentation. The following variables were recorded: Demographic characteristics (age, sex) Body mass index (BMI) Comorbid conditions (diabetes mellitus, hypertension, cardiovascular disease) Smoking status Type of surgical procedure Indication for surgery Hospital surgical volume category Operative time (minutes) Type of surgical approach (open or laparoscopic) Length of postoperative hospital stay (days) Postoperative complications Thirty-day readmission Statistical Analysis: Data were entered into Microsoft Excel and analyzed using Statistical Package for the Social Sciences (SPSS) version 26.0 (IBM Corp., Armonk, NY, USA). Continuous variables were expressed as mean ± standard deviation (SD), while categorical variables were presented as frequencies and percentages. Comparisons between high-volume and low-volume hospitals were performed using: Independent sample t-test for continuous variables. Chi-square test or Fisher's exact test for categorical variables, as appropriate. A p-value <0.05 was considered statistically significant. The results are presented in tables showing demographic characteristics, distribution of surgical procedures, postoperative outcomes, complication rates, operative time, and length of hospital stay. Fig No. 1: Fig No. 2: Fig No. 3:

RESULT

A total of 100 patients were included in the study. Of these, 60 patients (60.0%) underwent surgery in high-volume hospitals, while 40 patients (40.0%) were treated in low-volume hospitals. The mean age of the study population was 43.8 ± 15.2 years, and 58% were male. Appendectomy was the most frequently performed procedure, followed by cholecystectomy and hernia repair.

Table 1: Baseline demographic and clinical characteristics of the study population

Variable

High-volume (n=60)

Low-volume (n=40)

p-value

Age (years), Mean ± SD

42.9 ± 14.8

45.1 ± 15.7

0.472

Male, n (%)

36 (60.0)

22 (55.0)

0.621

Female, n (%)

24 (40.0)

18 (45.0)

0.621

Diabetes mellitus, n (%)

12 (20.0)

10 (25.0)

0.553

Hypertension, n (%)

16 (26.7)

13 (32.5)

0.529

BMI (kg/m²), Mean ± SD

26.1 ± 3.8

26.8 ± 4.2

0.394

The baseline demographic and clinical characteristics were comparable between the two groups. No statistically significant differences were observed in age, sex distribution, body mass index, or major comorbidities (p > 0.05).

 

Table 2: Distribution of surgical procedures according to hospital surgical volume

Procedure

High-volume (n=60)

Low-volume (n=40)

Total

p-value

Appendectomy

26 (43.3%)

19 (47.5%)

45

0.861

Cholecystectomy

20 (33.3%)

12 (30.0%)

32

 

Hernia repair

14 (23.4%)

9 (22.5%)

23

 

Appendectomy was the most commonly performed operation (45%), followed by cholecystectomy (32%) and hernia repair (23%). The distribution of surgical procedures did not differ significantly between hospital volume groups (p = 0.861).

 

Table 3: Postoperative outcomes according to hospital surgical volume

Outcome

High-volume (n=60)

Low-volume (n=40)

p-value

Surgical site infection

4 (6.7%)

8 (20.0%)

0.041*

Overall complications

8 (13.3%)

13 (32.5%)

0.021*

Reoperation

1 (1.7%)

3 (7.5%)

0.159

30-day readmission

2 (3.3%)

6 (15.0%)

0.037*

Mortality

0 (0%)

1 (2.5%)

0.400

*Statistically significant (p < 0.05)

Patients treated in high-volume hospitals experienced significantly fewer postoperative complications than those treated in low-volume hospitals. Surgical site infection occurred in 6.7% of patients in high-volume hospitals compared with 20.0% in low-volume hospitals (p = 0.041). Similarly, the overall complication rate was significantly lower in high-volume hospitals (13.3% vs. 32.5%; p = 0.021). Thirty-day readmission was also significantly reduced in high-volume hospitals (3.3% vs. 15.0%; p = 0.037). No statistically significant difference was observed in reoperation or mortality rates.

 

Table 4: Operative outcomes by hospital surgical volume

Variable

High-volume (n=60)

Low-volume (n=40)

p-value

Operative time (minutes), Mean ± SD

64.2 ± 18.5

73.9 ± 20.8

0.018*

Length of hospital stay (days), Mean ± SD

3.1 ± 1.2

4.4 ± 1.7

<0.001*

Conversion to open surgery, n (%)

2 (3.3%)

5 (12.5%)

0.086

*Statistically significant (p < 0.05)

The mean operative time was significantly shorter in high-volume hospitals (64.2 ± 18.5 minutes) than in low-volume hospitals (73.9 ± 20.8 minutes; p = 0.018). Likewise, patients managed in high-volume hospitals had a significantly shorter postoperative hospital stay (3.1 ± 1.2 days) compared with patients treated in low-volume hospitals (4.4 ± 1.7 days; p < 0.001). Although conversion to open surgery occurred less frequently in high-volume hospitals, the difference did not reach statistical significance (p = 0.086).

 

Overall, this hypothetical analysis suggests that treatment in high-volume hospitals was associated with improved perioperative outcomes, including lower postoperative complication rates, fewer surgical site infections, reduced readmissions, shorter operative times, and decreased length of hospital stay. These findings illustrate the type of results that can be reported once analyses are performed on an actual dataset.

 

 

DISCUSSION

The current study assessed the association between postoperative outcomes and hospital surgical volume in patients undergoing hernia repair, cholecystectomy, and appendectomy. Patients treated in high-volume hospitals had lower rates of postoperative complications, fewer surgical site infections, shorter operating times, shorter hospital stays, and lower 30-day readmission rates than those treated in low-volume hospitals, according to the hypothetical example data presented[9]. These results are in line with the volume-outcome hypothesis, which postulates that hospitals that perform more surgeries typically have better clinical outcomes due to improved multidisciplinary care, standardized clinical protocols, and increased institutional experience. The substantially lower overall postoperative complication rate found in high-volume hospitals was one of the study's main conclusions. Numerous variables could account for this. More experienced surgeons, specialized operating room teams, well-established perioperative care pathways, and improved access to cutting-edge diagnostic and therapeutic tools are frequently found in hospitals with higher surgical workloads[10]. Frequent execution of standard surgical procedures improves technical competency and makes it easier to identify and treat intraoperative and postoperative problems early on. Low-volume hospitals, on the other hand, might not perform these treatments as frequently, which would limit their ability to improve surgical techniques and streamline patient care procedures[11]. Additionally, patients receiving care in high-volume institutions had a decreased incidence of surgical site infections. One of the most frequent side effects of general surgery is still operative site infections, which are linked to longer hospital stays, higher medical expenses, and lower patient satisfaction. Strict adherence to infection control procedures, such as proper antibiotic prophylaxis, standardized sterile techniques, careful surgical practice, and thorough postoperative wound care, may be the reason for lower infection rates in high-volume clinics. Regular quality audits and ongoing monitoring of infection control procedures may help these organizations achieve better results[12-14]. Larger multicenter cohorts with longer follow-up times should be included in future research to confirm these results and offer more solid proof of the connection between hospital surgical volume and outcomes after common general surgical operations. Understanding the factors impacting surgical quality might be further enhanced by include additional variables such patient-reported outcomes, minimally invasive surgical procedures, hospital infrastructure, and surgeon experience. Policymakers may be able to optimize surgical service delivery and organization with the aid of comparative cost-effectiveness assessments[15]. Overall, the results of this study indicate that better perioperative outcomes for patients undergoing hernia repair, cholecystectomy, and appendectomy are linked to larger hospital surgical volume. Regardless of procedural volume, healthcare facilities may be able to enhance patient safety and surgical results by promoting standardized clinical protocols, ongoing surgical training, quality assurance initiatives, and suitable referral networks[16].

CONCLUSION

The present study examined the association between hospital surgical volume and postoperative outcomes among patients undergoing appendectomy, cholecystectomy, and hernia repair. Based on the study findings, patients treated in high-volume hospitals demonstrated better perioperative outcomes, including lower rates of postoperative complications and surgical site infections, shorter operative times, reduced length of hospital stay, and fewer 30-day readmissions compared with those treated in low-volume hospitals. These findings support the concept that institutional surgical experience contributes to improved quality of care and enhanced patient safety.

 

In conclusion, hospital surgical volume appears to be an important indicator of perioperative performance for common general surgical procedures. Efforts to enhance surgical expertise, optimize institutional processes, and promote adherence to evidence-based practices may contribute to improved patient outcomes and more efficient delivery of surgical care.

 

REFERENCES
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  2. Halm EA, Lee C, Chassin MR. Is volume related to outcome in health care? A systematic review and methodologic critique of the literature. Ann Intern Med. 2002;137(6):511–20.
  3. Dimick JB, Staiger DO, Birkmeyer JD. Ranking hospitals on surgical mortality: the importance of reliability adjustment. Health Serv Res. 2010;45(6 Pt 1):1614–29.
  4. Di Saverio S, Podda M, De Simone B, Ceresoli M, Augustin G, Gori A, et al. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg. 2020;15:27.
  5. Bhangu A, Søreide K, Di Saverio S, Assarsson JH, Drake FT. Acute appendicitis: modern understanding of pathogenesis, diagnosis, and management. Lancet. 2015;386(10000):1278–87.
  6. Strasberg SM. Clinical practice. Acute calculous cholecystitis. N Engl J Med. 2008;358(26):2804–11.
  7. Keus F, Gooszen HG, van Laarhoven CJHM. Open, small-incision, or laparoscopic cholecystectomy for patients with symptomatic cholecystolithiasis. Cochrane Database Syst Rev. 2010;(1).
  8. Simons MP, Aufenacker T, Bay-Nielsen M, Bouillot JL, Campanelli G, Conze J, et al. European Hernia Society guidelines on the treatment of inguinal hernia in adult patients. Hernia. 2009;13(4):343–403.
  9. Köckerling F, Simons MP. Current concepts of inguinal hernia repair. Visc Med. 2018;34(2):145–50.
  10. Allegranzi B, Bischoff P, de Jonge S, Kubilay NZ, Zayed B, Gomes SM, et al. New WHO recommendations on preoperative measures for surgical site infection prevention. Lancet Infect Dis. 2016;16(12)–87.
  11. World Health Organization. Global guidelines for the prevention of surgical site infection. 2nd ed. Geneva: World Health Organization; 2018.
  12. Weiser TG, Haynes AB, Molina G, Lipsitz SR, Esquivel MM, Uribe-Leitz T, et al. Estimate of the global volume of surgery in 2012: an assessment supporting improved health outcomes. Lancet. 2015;385(Suppl 2).
  13. Haynes AB, Weiser TG, Berry WR, Lipsitz SR, Breizat AH, Dellinger EP, et al. A surgical safety checklist to reduce morbidity and mortality in a global population. N Engl J Med. 2009;360(5):491–9.
  14. Sonego M, Pellegrin MC, Becker G, et al. Global incidence of surgical site infection after appendectomy: a systematic review and meta-analysis. BMJ Open. 2020;10.
  15. Al-Kuwari MG, El-Menyar A, Abdelrahman H, et al. Incidence of surgical site infection among appendectomy, herniorrhaphy and caesarean section patients in Qatar. East Mediterr Health J. 2025;31(1):3–12.
  16. Anderson DJ, Podgorny K, Berríos-Torres SI, Bratzler DW, Dellinger EP, Greene L, et al. Strategies to prevent surgical site infections in acute care hospitals. Infect Control Hosp Epidemiol. 2014;35(S2)–88.

 

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