Preoperative supplementation (PSUP) or PSUP plus postoperative enteral nutrition (POEN) v conventional treatment (COTR) in surgery for gastrointestinal cancer at 30 days after hospital discharge*

OutcomesComparisonRateRRR (95% CI)NNT (CI)
Patients with infectious complicationsPSUP v COTR14% v 30%54% (21 to 74)6 (4 to 19)
POEN v COTR16% v 30%48% (12 to 70)7 (4 to 34)
PSUP v POEN14% v 16%13% (−66 to 55)Not significant
MeanMean difference (CI)
*Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
†Significant differences favour PSUP and POEN.
Length of hospital stay (days)PSUP v COTR11.6 v 14.02.4 (0.6 to 4.2)†
POEN v COTR12.2 v 14.01.8 (0.1 to 3.5)†
PSUP v POEN11.6 v 12.20.6 (−0.6 to 1.8)