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. 2006 Nov 1;56(532):830–835.

Table 3.

QOF points and disease prevalence in each clinical domain by practice size.

Number of WTE GP principals

Single-handed (1.00 WTE GP) Small practice (1.01–3.00 WTE GPs) Medium practice (3.01–5.00 WTE GPs) Large practice (5.01 GPs) P-valuea,b
Asthma points, median (range) 71.7 (29.9–72.0) 70.2 (19.8–72.0) 70.0 (28.8–72.0) 69.9 (24.5–72.0) 0.164
 Asthma prevalence (%) 5.04 5.21 5.28 5.52 0.017

Cancer points, median (range) 12.0 (0–12.0) 12.0 (0–12.0) 12.0 (6.0–12.0) 12.0 (6.0–12.0) c
 Cancer prevalence (%) 0.50 0.46 0.50 0.51 0.087

COPD points, median (range) 44.7 (15.1–45.0) 43.2 (13.1–45.0) 44.5 (14.7–45.0) 43.9 (11.0–45.0) 0.020
 COPD prevalence (%) 2.12 2.29 1.84 1.82 <0.001

Diabetes points, median (range) 98.1 (76.4–99.0) 97.6 (63.3–99.0) 97.5 (69.4–99.0) 97.0 (64.7–99.0) 0.288
 Diabetes prevalence (%) 3.22 3.15 3.13 3.14 0.935

Epilepsy points, median (range) 15.0 (2.0–16.0) 14.1 (2.0–16.0) 14.4 (2.2–16.0) 14.9 (2.0–16.0) 0.112
 Epilepsy prevalence (%) 0.65 0.75 0.69 0.72 0.029

Hypertension points, median (range) 105.0 (72.1–105.0) 105.0 (40.4–105.0) 105.0 (67.6–105.0) 104.9 (60.1–105.0) c
 Hypertension prevalence (%) 10.54 11.27 11.33 11.07 0.487

Hypothyroidism points, median (range) 8.0 (7.0–8.0) 8.0 (6.1–8.0) 8.0 (6.9–8.0) 8.0 (2.4–8.0) c
 Hypothyroidism prevalence (%) 2.13 2.51 2.71 2.79 <0.001

Mental health points, median (range) 38.8 (7.0–41.0) 40.8 (0–41.0) 41.0 (7.2–41.0) 41.0 (14.4–41.0) c
 Mental health prevalence (%) 0.77 0.60 0.53 0.53 0.008

Stroke points, median (range) 30.4 (15.6–31.0) 30.6 (12.3–31.0) 30.7 (14.1–31.0) 30.8 (15.2–31.0) 0.486
 Stroke prevalence (%) 1.57 1.72 1.78 1.79 0.225

CHD points, median (range) 119.5 (84.2–121.0) 117.9 (72.4–121.0) 119.9 (80.9–121.0) 120.5 (63.8–121.0) <0.0001
 CHD prevalence (%) 3.76 3.74 3.70 3.75 0.960
a

Median was compared across practice size using the median test.

b

Results for test of mean prevalence were population weighted.

c

Where medians are close to being identical, or are identical, the median test incorporated in STATA 9.2 will not report a test statistic or P value.

CHD = coronary heart disease. COPD = chronic obstructive pulmonary disease. WTE = whole time equivalents.