Table 2 Standardized mean differences (SMD) for changes from baseline grouped by patient- and observer-reported outcome.
No. of treatment arms | SMD (95% confidence interval) | I2 (%) | |
|---|---|---|---|
No treatment | |||
Observer-reported | 11 | -0.28 (-0.56 to -0.01) | 20 |
Patient-reported | 26 | -0.22 (-0.36 to -0.09) | 30 |
Placebo | |||
Observer-reported | 11 | -0.50 (-0.81 to -0.20) | 40 |
Patient-reported | 26 | -0.42 (-0.62 to -0.22) | 63 |
Active treatment | |||
Observer-reported | 16 | -0.92 (-1.22 to -0.62) | 56 |
Patient-reported | 36 | -1.04 (-1.22 to -0.87) | 59 |