Table 2

Measures of clinical outcomes

Study IDClinical outcomePatient populationEffects of practice size
Majeed et al, 200325Optimal blood pressure, cholesterol, and body mass indexIHDNo effect
Pringle et al, 199326Glycaemic control (measured by random haemoglobin A1c estimation)DiabetesLarge practices (F = 3.35, P = 0.04)
  • IHD = ischaemic heart disease.