Allowing normal food at will v enteral tube feeding after major upper gastrointestinal surgery*

Outcomes at 8 weeks	Food at will	Enteral tube feeding	RRR (95% CI)	NNT
Mortality	5.9%	8.4%	29% (−37 to 64)	Not significant
Major complications	28%	33%	16% (−11 to 36)	Not significant

			Difference (CI)	p-Value
Time to first flatus (d)	2.6	3.0	−0.4 (−0.7 to −0.2)	0.03
Length of hospital stay (d)	13.5	16.7	−3.2 (−6.3 to −0.1)	0.046

*Abbreviations defined in glossary. RRR, NNT, and CI calculated from data in article.