Outcomes | Follow up (years) | Number of trials (n) | Weighted mean difference (95% CI) |
---|---|---|---|
*Meta-analyses were done using a random effects model; all significant differences favour intervention groups. CI defined in glossary. | |||
Weight loss (kg) | 1 | 4 (1016) | −2.8 (−4.7 to –1.0) |
2 | 3 (700) | −2.6 (−3.3 to –1.9) | |
>2 years | 2 (2229) | −4.9 (−6.7 to –3.1) | |
Most distal follow up | 6 (2799) | −3.2 (−4.8 to –1.7) | |
Body mass index (kg/m2) | 1 | 3 (802) | −1.3 (−1.9 to –0.8) |
2 | 3 (203) | −0.8 (−1.2 to –0.5) | |
Weight loss (%) | 1 | 4 (1016) | −3.3 (−5.3 to –1.3) |
2 | 3 (700) | −3.1 (−3.9 to –2.3) |