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Table 3 Trial design and number of practices required

From: Action to Support Practices Implement Research Evidence (ASPIRE): protocol for a cluster-randomised evaluation of adaptable implementation packages targeting ‘high impact’ clinical practice recommendations in general practice

Trial 1

Trial 2

Non-intervention control

Diabetes control

Risky prescribing

Blood pressure control

Anticoagulation in atrial fibrillation

40

40

32

32

[Number dependent on recruitment beyond that required for intervention sample]