Table 3

 Sensitivity analyses of randomised controlled trials in adults assessing effect of dietary fat intake on body weight (kg)

Sensitivity analysisEffect size in kg (95% CI)No of comparisons, I2 (%)
Removing trials with more attention to low fat arm−1.42 (−2.12 to −0.73)8, 38
Removing trials with dietary interventions additional to fat−1.90 (−2.49 to −1.31)22, 69
Meta-analysis using fixed effects analysis−1.04 (−1.18 to −0.90)27, 74
Excluding single largest trial* −1.65 (−2.10 to −1.21)26, 69
Excluding trial without or with unclear allocation concealment−1.10 (−1.56 to −0.65)13, 59