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Table 3 Self-reported medication data from the patient questionnaire survey.

From: A pragmatic cluster randomised controlled trial of a Diabetes REcall And Management system: the DREAM trial

Drug category % of subjects taking drug by group Effect of intervention Effect of intervention adjusted for a difference between registers
  Control Intervention RR 95% CI RR 95% CI
Diabetes medication       
Diet alone 46.4 47.0 1.01 0.87, 1.18 1.02 0.89, 1.17
Any oral hypoglycaemic (biguanide, sulphonylurea or thiazolidinediones) 34.0 32.7 0.96 0.81, 1.14 0.96 0.81, 1.14
Sulphonylurea 19.7 18.6 0.94 0.75, 1.18 0.93 0.75, 1.16
Metformin 25.3 24.4 0.96 0.76, 1.22 0.97 0.77, 1.22
Insulin 24.4 26.8 1.10 0.84, 1.43 1.09 0.82, 1.37
Cardiovascular disease and risk factor management       
Any cardiovascular drug 49.6 45.9 0.92 0.84, 1.01 0.93 0.85, 1.01
Any anti-platelet drug 25.4 22.9 0.90 0.74, 1.10 0.90 0.75, 1.10
Aspirin 31.6 28.5 0.90 0.75, 1.08 0.90 0.75, 1.08
ACE inhibitor 25.0 22.1 0.89 0.75, 1.05 0.89 0.76, 1.05
Drugs primarily used asa antihypertensives (including ACE/A-G inhibitors) 33.1 30.4 0.92 0.82, 1.03 0.92 0.83, 1.03
Any lipid-lowering 27.4 25.9 0.94 0.78, 1.14 0.95 0.78, 1.15
Statins 27.0 25.0 0.92 0.76, 1.12 0.93 0.77, 1.12
Fibrates 1.0 1.6 1.61 0.61, 4.27 1.59 0.60, 4.18
  1. a. Categories of cardiovascular drugs can be prescribed for more than one purpose (e.g., beta-blockers may be used to treat hypertension but also treat angina), whereas individual drugs within categories (e.g., atenolol) may be better known to be used for a specific purpose. The drugs in this category were known to be used primarily as antihypertensives.