Table 4 Overall effects by risk of bias
| Â | Overall effect size | Effect size (high risk of bias) | Effect size (low risk of bias) |
|---|---|---|---|
95% CI | 95% CI | 95% CI | |
I2 | I2 | I2 | |
Health outcomes | 0.22 (0.17 to 0.26) | 0.23 (0.18 to 0.29) | 0.18 (0.12 to 0.25) |
Hospital use | −0.16 (−0.20 to −0.11) | −0.18 (−0.24 to −0.11) | −0.10 (−0.16 to −0.04) |
Costs | 0.02 (−0.05 to 0.08) | 0.07 (−0.05 to 0.18) | −0.01 (−0.09 to -0.07) |