Reference | Treatment | Placebo | Weight | Weighted Mean Difference | ||
---|---|---|---|---|---|---|
n | Mean ± S.D. | n | Mean ± S.D. | |||
% | 95% CI | |||||
Sjostrom et al. (1998) | 343 | -8.10 ± 8.21 | 340 | -3.90 ± 7.02 | 11.1 | -4.20 (-5.35 to -3.05) |
Hollander et al. (1998) | 156 | -3.84 ± 5.00 | 151 | -1.43 ± 5.10 | 11.4 | -2.41 (-3.54 to -1.29) |
Davidson et al. (1999) | 657 | -8.76 ± 9.48 | 223 | -5.81 ± 10.01 | 6.5 | -2.95 (-4.45 to -1.45) |
Rossner et al. (2000) | 241 | -8.13 ± 8.22 | 236 | -5.23 ± 7.40 | 7.4 | -2.90 (-4.30 to -1.50) |
Hauptman (2000) | 210 | -5.40 ± 7.44 | 212 | -1.41 ± 6.31 | 8.4 | -3.99 (-5.31 to -2.67) |
Lindegarde (2000) | 190 | -4.20 ± 7.03 | 186 | -2.90 ± 6.74 | 7.5 | -1.30 (-2.69 to 0.09) |
Finer et al. (2000) | 110 | -3.29 ± 6.85 | 108 | -1.31 ± 6.29 | 4.8 | -1.98 (-3.73 to -0.23) |
Broom et al. (2002) | 259 | -5.80 ± 8.50 | 163 | -2.30 ± 6.40 | 8.7 | -3.50 (-4.79 to -2.21) |