Outcome | Summary of findings | Quality of evidence assessment (GRADE) | |||||
---|---|---|---|---|---|---|---|
Effect sizea (95% CI) | n (trials) | Study limitations | Imprecision | Inconsistency | Publication bias | Quality | |
Main outcome | 0.15 (0.05 to 0.25) | 1560 (20) | -1b | None | None | None | Moderate |
Femoral neck BMD | 0.09 (− 0.03 to 0.21) | 1032 (14) | -1b | None | None | -1c | Low |
Lumbar spine BMD | 0.17 (0.04 to 0.30) | 874 (11) | -1b | None | None | None | Moderate |