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Comparison of outcome of open appendectomy with and without peritoneum closure in terms of mean operative time and post-operative pain.

Objective: To compare the open appendectomy with & without peritoneum closure in term of post-operative pain and operative time. Study Design: Comparative study. Setting: EAST Surgical Ward, MAYO Hospital Lahore, Pakistan. Period: July 2019 to June 2020. Material & Methods: Sample size of 150 patients were selected by consecutive non probability sampling technique. Patients were divided into 2 groups with 75 patients in each group. In Group A patients, peritoneum was closed while in Group B patients, peritoneum was not closed. The results of both groups were compared. Data was collected by pre designed proforma and evaluated by SPSS 26. Results: Out of total 150 patients, 96 (64%) were male and 54 (36%) were females. Most common age group was between 31 years to 40 years. The mean operation time taken by the patients in which peritoneum was closed was about 41 minutes with standard deviation of ± 10.54 minutes as compared to the Group B in which peritoneum was not closed and it took about 32 minutes with standard deviation of ± 6.22 minutes (P Value 0.025). On first post-operative day, mean pain experienced, by visual analogue score by Group A patients was 5.6 while 3.9 in Group B patients (P Value = 0.03). Conclusion: Non closure of peritoneum after open appendectomy reduces the operative surgery time and post-operative pain.