Table 2.
Variation in adjusted QOF scores by levels of nurse staffing: clinical outcome indicators.
| List size per FTE practice nurse (quintiles)a | ||||||
|---|---|---|---|---|---|---|
| Indicator | ≤3038.01 β (95% CI) | 3038.02– 3901.48 β (95% CI) | 3901.49–4823.44 β (95% CI) | 4823.45–6210.68 β (95% CI) | ≥6210.69 β (95% CI) | χ2b(P-value) |
| CHD blood pressure ≤150/90 mmHg | 0.62 (–0.31 to 1.54) | 0.48 (–0.48 to 1.43) | 0.64 (–0.29 to 1.56) | 0.63 (–0.33 to 1.58) | 0.48 (–0.51 to 1.46) | 2.79 (0.73) |
| CHD total cholesterol ≤5 mmol/l | 1.70 (0.24 to 3.16)c | 1.43 (0.03 to 2.82)c | 1.76 (0.34 to 3.17)c | 1.50 (0.06 to 2.93)c | 1.25 (–0.15 to 2.66) | 10.57 (0.06) |
| Diabetes HbA1c ≤7.4% | 2.25 (0.85 to 3.65)c | 2.05 (0.68 to 3.41)c | 1.51 (0.10 to 2.91)c | 1.19 (–0.23 to 2.62) | 0.78 (–0.59 to 2.14) | 35.78 (<0.001) |
| Diabetes HbA1c ≤10% | 1.76 (0.88 to 2.64)c | 1.64 (0.78 to 2.50)c | 1.42 (0.56 to 2.28)c | 1.50 (0.60 to 2.40)c | 0.92 (0.08 to 1.75)c | 56.82 (<0.001) |
| Diabetes blood pressure ≤145/85 mmHg | 0.68 (–0.72 to 2.08) | 0.58 (–0.89 to 2.05) | 0.36 (–1.11 to 1.83) | 0.60 (–0.89 to 2.09) | –0.02 (–1.56 to 1.53) | 6.11 (0.30) |
| Diabetes total cholesterol ≤5 mmol/l | 1.86 (0.62 to 3.10)c | 1.54 (0.32 to 2.75)c | 1.34 (0.05 to 2.62)c | 1.75 (0.44 to 3.07)c | 1.12 (–0.15 to 2.39) | 19.33 (0.002) |
| Epilepsy convulsion free for 12 months (age >16 years) | –2.36 (–4.56 to –0.17)c | –1.61 (–3.67 to 0.46) | –2.31 (–4.34 to –0.28)c | –1.61 (–3.74 to 0.52) | –2.11 (–4.25 to 0.03) | 8.04 (0.15) |
| Hypertension blood pressure ≤150/90 mmHg | –0.55 (–1.60 to 0.50) | –0.46 (–1.52 to 0.60) | –0.30 (–1.33 to 0.72) | –0.44 (–1.53 to 0.65) | –0.49 (–1.59 to 0.61) | 1.56 (0.91) |
| Stroke blood pressure ≤150/90 mmHg | –0.74 (–1.94 to 0.45) | –0.76 (–1.95 to 0.43) | –0.66 (–1.79 to 0.47) | –0.65 (–1.81 to 0.52) | –0.55 (–1.73 to 0.64) | 2.04 (0.84) |
| Stroke total cholesterol ≤5 mmol/l | 2.48 (0.58 to 4.38)c | 2.05 (0.13 to 3.96)c | 2.88 (0.92 to 4.85)c | 2.05 (0.09 to 4.02)c | 2.58 (0.65 to 4.51)c | 16.44 (0.006) |
a
Reference category ‘no practice nurse’.
b
5 degrees of freedom.
c
Significant (P<0.05) relative to reference category. Full models can be found in Appendix 3. CHD = coronary heart disease. FTE = full-time equivalent.