Table 3 Estimated impact of the interventions.
From: A cluster randomised trial of educational messages to improve the primary care of diabetes
Outcome | Effect of intervention | |||
|---|---|---|---|---|
|  | Parameter†| Estimate‡ | 95% CI | |
Glycaemic control message | Â | Â | Â | Â |
HbA1c (%)* | mean | 0.01 | -0.03 | 0.04 |
HbA1c within target level of control (less than 6.35) | OR | 0.94 | 0.87 | 1.03 |
Number of HbA1c tests being ordered in a calendar month | IRR | 1.06 | 1.01 | 1.11 |
Cholesterol control message | Â | Â | Â | Â |
Cholesterol (mmol/l)* | mean | 0.01 | -0.04 | 0.05 |
Cholesterol within target level of control (5 mmol/l or less) | OR | 1.01 | 0.92 | 1,11 |
Number of a cholesterol tests being ordered in a calendar month | IRR | 1.00 | 0.95 | 1.05 |
Blood pressure control message | Â | Â | Â | Â |
Systolic blood pressure (mm Hg): all patients* | mean | -0.06 | -0.41 | 0.30 |
Systolic blood pressure (mm Hg): patients with micro-albuminuria from 21 practices | mean | 1.38 | 0.33 | 2.42 |
Diastolic blood pressure (mm Hg): all patients* | mean | -0.52 | -0.73 | -0.32 |
Diastolic blood pressure (mm Hg): patients with micro-albuminuria from 21 practices | mean | 0.61 | 0.03 | 1.19 |
Blood pressure within target level of control (less than or equal to 140/80): all patients | OR | 1.05 | 1.00 | 1.10 |
Blood pressure within target level of control (less than or equal to 130/80): patients with micro-albuminuria | OR | 0.88 | 0.78 | 0.99 |
Foot inspection message | Â | Â | Â | Â |
Number of patients in practice for whom a foot inspection was recorded in a calendar month* | IRR | 1.26 | 1.18 | 1.36 |