Gastrojejunostomy in patients with unresectable pancreatic head cancer - the use of Roux loop significantly shortens the hospital length of stay

Table 2 Postoperative course following Roux and conventional gastroenteroanastomosis

Postoperative course	Roux GE		Conventional GE		Differences in the Roux and conventional GE (P value)	Power analysis1
	mean ± SD	Median	mean ± SD	Median
Nasogastric tube (postoperative days)	1.4 ± 0.75	1	2.8 ± 1.1	3	< 0.001	0.962
Liquids (postoperative days)	2.3 ± 0.86	2	3.45 ± 1.19	3	< 0.001	0.86
Liquid diet (postoperative days)	3.3 ± 0.73	3	4.4 ± 1.23	4	< 0.001	0.853
Full regular diet (postoperative days)	4.5 ± 0.76	4	5.6 ± 1.42	5	0.002	0.784
Hospital stay (postoperative days)	7.7 ± 3.01	7	9.6 ± 2.79	10	0.006	0.499

¹Power t-test analysis was performed to justify the sample size. DGE: Delayed gastric emptying; GE: Gastroenteroanastomosis.