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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Change in serum creatinine | 3 | Mean Difference (IV, Random, 95% CI) | Subtotals only | |
| 1.1 Self‐monitoring interventions | 2 | 75 | Mean Difference (IV, Random, 95% CI) | ‐0.14 [‐0.65, 0.37] |
| 1.2 Behavioural counselling | 1 | 75 | Mean Difference (IV, Random, 95% CI) | ‐2.0 [‐7.29, 3.29] |
