Comparison 1. Duodenum‐preserving pancreatic resection versus pancreaticoduodenectomy.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Short‐term mortality	5	269	Risk Ratio (M‐H, Fixed, 95% CI)	2.89 [0.31, 26.87]
2 Long‐term mortality	4	229	Hazard Ratio (Random, 95% CI)	0.65 [0.31, 1.34]
3 Quality of life (3 months to 5 years)			Other data	No numeric data
4 Quality of life (> 5 years)	2	101	Mean Difference (IV, Fixed, 95% CI)	8.45 [‐0.27, 17.18]
5 Adverse events (proportion)	4	226	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.22, 1.35]
6 Adverse events (number of adverse events)	1		Rate Ratio (Fixed, 95% CI)	Totals not selected
7 Length of hospital stay			Other data	No numeric data
8 Employed	4	189	Risk Ratio (M‐H, Random, 95% CI)	1.54 [1.00, 2.37]
9 New‐onset diabetes	5	269	Risk Ratio (M‐H, Fixed, 95% CI)	0.78 [0.50, 1.22]
10 Pancreatic exocrine insufficiency	4	189	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.68, 1.02]