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Table 1 Summary of main outcome measures used in the trial

From: Protocol for the PINCER trial: a cluster randomised trial comparing the effectiveness of a pharmacist-led IT-based intervention with simple feedback in reducing rates of clinically important errors in medicines management in general practices

Outcome measure number Brief description of outcome measure
1 Patients with a history of peptic ulcerwho have been prescribed a non-selective NSAID
2 Patients with asthmawho have been prescribed a beta-blocker
3 Patients aged 75 years and older who have been prescribed an ACE inhibitor or a loop diuretic long-term who have not had a computer-recorded check of their renal function and electrolytes in the previous 15 months
4 Proportions of women with a past medical history of venous or arterial thrombosis who have been prescribed the combined oral contraceptive pill
5 Patients receiving methotrexate for at least three months who have not had a recorded full blood count and/or liver function test within the previous three months
6 Patients receiving warfarin for at least three months who have not had a recorded check of their INR within the previous 12 weeks
7 Patients receiving lithium for at least three months who have not had a recorded check of their lithium levels within the previous three months
8 Patients receiving amiodarone for at least six months who have not had a thyroid function test within the previous six months
9 Patients receiving prescriptions of methotrexate without instructions that the drug should be taken weekly
10 Patients receiving prescriptions of amiodarone for at least one month who are receiving a dose of more than 200 mg per day