Table 5 Overall effects by country
| Â | Overall effect size | Effect size (UK studies) | Effect size (Non UK studies) |
|---|---|---|---|
Health outcomes | 0.22 (0.17 to 0.26) | 0.10 (0.05 to 0.14) | 0.25 (0.19 to 0.30) |
Hospital use | −0.16 (−0.20 to −0.11) | −0.23 (−0.35 to −0.11) | −0.14 (−0.19 to −0.09) |
Costs | 0.02 (−0.05 to 0.08) | 0.13 (0.02 to 0.24) | −0.04 (−0.12 to 0.04) |