Table 1

 Mean payment quality and delivered quality for 33 clinical indicators

Disease areaIndicator definitionPayment range (%)No of practicesMean payment quality (%)Mean delivered quality (%)Difference between means p<t
CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; HbA1c, glycosylated haemoglobin; FEV1, forced expiratory volume in 1 s.
    CHDRecord of smoking status in the previous 15 months25–90102095.095.00.96
    StrokeRecord of smoking status in the previous 15 months25–90102093.393.0<0.001
    HypertensionRecord of smoking status since diagnosis25–90102195.094.6<0.001
    DiabetesRecord of smoking status in the previous 15 months25–90102097.197.0<0.001
    COPDRecord of smoking status in the previous 15 months25–90101994.494.70.01
    CHDRecord of blood pressure in previous 15 months25–90102095.094.70.39
    StrokeRecord of blood pressure in previous 15 months25–90102094.093.5<0.001
    HypertensionRecord of blood pressure in previous 9 months25–90102188.788.4<0.001
    DiabetesRecord of blood pressure in the previous 15 months25–90102097.697.3<0.001
    CHDRecord of total cholesterol in previous 15 months25–90102088.086.0<0.001
    StrokeRecord of total cholesterol in previous 15 months25–90102083.880.3<0.001
    DiabetesRecord of total cholesterol in previous 15 months25–90102094.492.9<0.001
    DiabetesRecord of retinal screening in the previous 15 months25–90102086.478.6<0.001
    DiabetesRecord of peripheral pulse test in the previous 15 months25–90102084.880.0<0.001
    DiabetesRecord of neuropathy testing in the previous 15 months25–90102083.178.2<0.001
    DiabetesRecord of serum creatinine testing in the previous 15 months25–90102094.592.9<0.001
    COPDDiagnosis confirmed by spirometry25–90101974.863.6<0.001
    COPDRecord of FEV1 in previous 27 months25–70101969.757.2<0.001
Outcome
    CHDBlood pressure recorded in previous 15 months ⩽150/9025–70102084.982.8<0.001
    StrokeBlood pressure recorded in previous 15 months ⩽150/9025–70102082.779.3<0.001
    HypertensionBlood pressure recorded in previous 15 months ⩽150/9025–70102172.369.3<0.001
    DiabetesBlood pressure recorded in previous 15 months ⩽145/8525–55102075.070.0<0.001
    CHDTotal cholesterol recorded in previous 15 months ⩽5 mmol/l25–60102069.363.7<0.001
    StrokeTotal cholesterol recorded in previous 15 months ⩽5 mmol/l25–60102063.355.8<0.001
    DiabetesTotal cholesterol recorded in previous 15 months ⩽5 mmol/l25–60102074.267.1<0.001
    DiabetesHbA1c recorded in previous 15 months ⩽7.4%25–55102056.949.9<0.001
    DiabetesHbA1c recorded in previous 15 months ⩽10%25–85102089.985.6<0.001
Treatment
    CHDAspirin, alternative antiplatelet or anticoagulant being taken25–90102089.587.6<0.001
    CHDTreated with β-blocker25–50102070.052.9<0.001
    CHDRecord of influenza immunisation in previous flu season25–85102086.675.8<0.001
    StrokeRecord of influenza immunisation in previous flu season25–85102083.771.6<0.001
    DiabetesRecord of influenza immunisation in previous flu season25–85102086.773.4<0.001