Table 1

Sample characteristics and indicator performance scores across time

 Mean (SD), except where noted otherwise
2000/12001/22002/32003/4*2004/52005/62006/7
Sample/patient characteristics
 Number of diabetic patients11219121611330614488157391708318259
 Prevalence (%)3.33.63.94.24.54.85.0
 Number of new cases diagnosed1242136416081645168716771649
 Incidence (%)0.380.420.490.490.500.490.47
 Female (%)45.645.545.245.144.944.944.8
 Age62.9 (14.8)63.0 (14.7)63.1 (14.6)63.2 (14.4)63.4 (14.4)63.5 (14.5)63.7 (14.5)
 Age at diagnosis54.9 (17.2)55.2 (17.0)55.5 (16.7)55.6 (16.6)55.9 (16.5)56.0 (16.5)56.0 (16.4)
 Years of previous diabetic care8.0 (8.5)7.8 (8.5)7.7 (8.4)7.6 (8.3)7.5 (8.2)7.6 (8.2)7.7 (8.1)
 Number of co-morbid conditions1.4 (1.4)1.5 (1.4)1.5 (1.4)1.5 (1.3)1.6 (1.4)1.6 (1.4)1.7 (1.5)
Process indicators (time window, months)†
 DM266.671.374.483.690.992.192.6
 Record of Body Mass Index (15 m)(47.2)(45.2)(43.7)(37.0)(28.8)(26.9)(26.2)
 DM335.644.153.078.791.390.291.4
 Record of smoking status (15 m)(47.9)(49.6)(49.9)(41.0)(28.2)(29.7)(28.1)
 DM45.59.013.450.382.287.188.0
 Smoking cessation advice offered to current smokers (15 m)(22.7)(28.7)(34.1)(50.0)(38.2)(33.5)(32.5)
 DM571.177.982.889.293.093.793.5
 Record of HbA1c or equivalent (15 m)(45.3)(41.5)(37.7)(31.1)(25.5)(24.3)(24.6)
 DM842.247.255.766.372.171.166.9
 Record of retinal screening (15 m)(49.4)(49.9)(49.7)(47.3)(44.8)(45.3)(47.1)
 DM940.244.548.862.877.679.778.8
 Record of presence/absence of peripheral pulses (15 m)(49.0)(49.7)(50.0)(48.3)(41.7)(40.3)(40.8)
 DM100.60.93.628.363.670.972.9
 Record of neuropathy testing (15 m)(7.8)(9.6)(18.7)(45.0)(48.1)(45.4)(44.4)
 DM1182.586.389.393.696.396.796.7
 Record of blood pressure (15 m)(38.0)(34.4)(30.9)(24.5)(18.9)(17.8)(17.8)
 DM132.26.313.933.451.956.854.5
 Record of micro-albuminuria testing (15 m)(14.8)(24.3)(34.6)(47.2)(50.0)(49.5)(49.8)
 DM1452.262.771.886.593.194.694.5
 Record of serum creatinine testing (15 m)(50.0)(48.4)(45.0)(34.2)(25.3)(22.6)(22.7)
 DM1571.576.478.978.480.681.382.2
 Treated with ACE inhibitors or A2 antagonists; patients with proteinuria/micro-albuminuria (15 m)(45.2)(42.5)(40.9)(41.2)(39.6)(39.0)(38.2)
 DM1657.466.775.885.792.593.793.6
 Record of total cholesterol (15 m)(49.5)(47.1)(42.8)(35.0)(26.3)(24.2)(24.5)
 DM1864.667.167.071.575.879.477.6
 Influenza immunisation (6 m)‡(47.8)(47.0)(47.0)(45.2)(42.8)(40.5)(41.7)
Intermediate outcome indicators†
 DM645.548.450.252.255.656.459.3
 Last HbA1C (or equivalent) is ≤7.4%(49.8)(50.0)(50.0)(50.0)(49.7)(49.6)(49.1)
 DM788.590.490.891.892.692.592.7
 Last HbA1C (or equivalent) is ≤10%(31.9)(29.4)(28.9)(27.4)(26.3)(26.3)(26.0)
 DM1248.952.656.061.568.771.074.6
 Last blood pressure ≤145/85 mm  Hg(50.0)(49.9)(49.6)(48.7)(46.4)(45.4)(43.5)
 DM1745.349.256.665.174.178.380.8
 Last measured total cholesterol ≤5 mmol/l(49.8)(50.0)(49.6)(47.7)(43.8)(41.2)(39.4)
  • *Excluded from analyses.

  • †Number of patients for which the process has been performed within the specified time window or the outcome was met when last measured, over the number of diabetic patients in the respective financial year.

  • ‡Patient immunised in previous influenza season.