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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 HbA1c (change) | 9 | 1916 | Mean Difference (IV, Fixed, 95% CI) | ‐0.24 [‐0.35, ‐0.14] |
| 1.1 Extended | 3 | 408 | Mean Difference (IV, Fixed, 95% CI) | ‐0.43 [‐0.60, ‐0.26] |
| 1.2 Limited | 6 | 1508 | Mean Difference (IV, Fixed, 95% CI) | ‐0.12 [‐0.26, 0.02] |
