Meta-analysis of subtotal stomach-preserving pancreaticoduodenectomy vs pylorus preserving pancreaticoduodenectomy

Table 3 Summary results for studies comparing pylorus-preserving pancreaticoduodenectomy and subtotal stomach-preserving pancreaticoduodenectomy

Outcome of interest	No. ofstudies	No. ofpatients	OR/WMD = (95%CI)	P value	Heterogeneity P value	I2
Delayed gastric emptying	8	650	2.75 (1.75-4.30)	< 0.00001	0.10	43%
Operation time	8	650	-5.30 (-43.44-32.84)	0.79	0.0003	77%
Intraoperative blood loss	8	650	-217.70 [-429.77-(-5.63)]	0.04	0.004	68%
Pancreatic fistula	7	583	0.91 (0.56-1.49)	0.7	0.97	0%
Postoperative hemorrhage	5	461	0.51 (0.15-1.74)	0.29	0.95	0%
Intra-abdominal abscess	5	461	1.05 (0.54-2.05)	0.89	0.65	0%
Wound infection	5	394	0.88 (0.39-1.97)	0.75	0.88	0%
Time of start liquid diet	4	286	2.97 (-0.43-6.38)	0.09	0.001	82%
Time of start solid diet	4	316	3.69 (-0.46-7.83)	0.08	< 0.00001	91%
Time of nasogastric intubation	6	438	2.68 (0.77-4.58)	0.006	< 0.00001	96%
Reinsertion of nasogastric tube	4	349	1.90 (0.91-3.97)	0.09	0.58	0%
Mortality	6	471	0.31 (0.05-2.01)	0.22	1.00	0%
Hospital stay	4	255	3.92 (-0.37-8.22)	0.07	0.04	64%

WMD: Weight mean difference.