Atrial fibrillation | Blood pressure control | Risky prescribing | Diabetes control | |
---|---|---|---|---|
Mean number of patients per practice (cluster size) | 55 | 800 | 420 | 280 |
Coefficient of variation (CV) of cluster size | 0.79 | 0.67 | 0.65 | 0.6 |
Intra-cluster correlation coefficient (ICC) | 0.06 | 0.06 | 0.03 | 0.06 |
Control group adherence | 0.6 | 0.72 | 0.89 | 0.43 |