Sensitivity analysis of randomised controlled trials of collaborative care → HbA1c outcome meta-analysis
| Number of studies | Number of sample | WMD | 95% CI | p Value for heterogeneity | |
|---|---|---|---|---|---|
| Fixed effects model | 7 | 1556 | −0.21 | (−0.37 to −0.05) | 0.001 |
| Exclusion of three lower quality studies (score ≤4.0) | 4 | 1110 | −0.32 | (−0.81 to 0.17) | 0.001 |
| Exclusion of one study outside the USA (Australia) | 6 | 1400 | −0.31 | (−0.68 to 0.07) | 0.001 |
| Exclusion of three studies that integrated diabetes care | 4 | 1104 | −0.07 | (−0.35 to 0.21) | 0.086 |
| Exclusion of two studies that considered lifestyle risk factors | 5 | 1186 | −0.27 | (−0.71 to 0.16) | 0.002 |
| Exclusion of four studies of less than 1 year duration | 3 | 833 | −0.18 | (−0.48 to 0.11) | 0.189 |
HbA1c, glycated haemoglobin; WMD, weighted mean difference.