Effect size of the intervention on clinical decision making*
| Medical condition; indicator | Odds ratio | 95% CI | p value | Intracluster correlation coefficient |
|---|---|---|---|---|
| *Multilevel analysis with adjustments for baseline compliance, practice characteristics, and patients’ age and sex. | ||||
| †Increasing the dosage or starting a drug from a different class in case of a diastolic blood pressure of >90 mm Hg. | ||||
| Newly diagnosed hypertension; assessment of risk factors | 1.07 | 0.77 to 1.47 | 0.696 | 0.08 |
| Newly diagnosed hypertension; provision of information and advice | 1.32 | 0.94 to 1.86 | 0.109 | 0.17 |
| Treated hypertension; provision of information and advice | 1.55 | 1.35 to 1.77 | <0.001 | 0.15 |
| Treated hypertension; increasing the antihypertensive medication† | 0.87 | 0.61 to 1.24 | 0.432 | 0.06 |
| Treated hypertension; scheduling a follow up appointment | 0.96 | 0.75 to 1.22 | 0.727 | 0.11 |
| Hypercholesterolaemia; assessment of risk factors | 2.04 | 1.44 to 2.88 | <0.001 | 0.13 |
| Hypercholesterolaemia; provision of information and advice | 1.58 | 1.17 to 2.13 | 0.003 | 0.09 |
| Angina pectoris; assessment of risk factors | 3.07 | 1.08 to 8.79 | 0.037 | 0.00 |
| Angina pectoris; provision of information and advice | 1.02 | 0.61 to 1.71 | 0.929 | 0.06 |
| Angina pectoris; prescribing aspirin and sublingual nitrate | 1.44 | 0.86 to 2.41 | 0.168 | 0.03 |
| Heart failure; checking for clinical signs of deterioration | 4.11 | 2.17 to 7.77 | <0.001 | 0.22 |
| Heart failure; provision of information and advice | 0.85 | 0.43 to 1.67 | 0.636 | 0.13 |