Table 3.
Univariate quantile regression analyses of admission rates* for all primary care trusts against population, general practitioner (GP) and prescribing variables: regression coefficients, with P-values and 95% confidence intervals†
| Asthma | Diabetes | Heart failure | Hypertension | COPD | |
|---|---|---|---|---|---|
| Population profile | |||||
| Condition-specific mortality rates‡ | Not available | 3.26 (−2.50-9.02) | −0.69 (−6.77-5.40) | 1.75 (70.58-4.08) | 4.74 (2.27-7.21)§ |
| Deprivation score | 1.32 (0.57-2.08)§ | 1.45 (0.15-2.76) | 1.13 (0.05-2.22) | 0.41 (0.08-0.74) | 4.00 (2.25-5.75)§ |
| % Ethnic minority residents | 0.99 (−0.02-2.00) | 1.02 (−0.20-2.24) | 0.99 (0.64-1.35) | 0.27 (0.09-0.44) | 1.88 (−1.18-4.94) |
| % Lone parents | 13.57 (−2.54-29.70) | 26.95 (5.52-48.37)§ | 13.72 (−4.87-32.30) | −0.04 (−6.85-6.76) | 34.76 (11.07-58.46) |
| % Elderly living alone | −36.90 (−51.94-21.85)§ | −21.78 (−55.51-11.96) | −32.40 (−55.25-9.55) | −9.63 (−17.77-1.49)§ | −53.30 (−91.11-15.48)§ |
| Practice characteristics | |||||
| Average total list size | −0.05 (−0.10-0.01) | −0.08 (−0.23-0.06) | −0.02 (−0.05-0.01) | −0.003 (−0.02-0.02) | −0.06 (−0.22-0.11) |
| % GPs with > 2500 patients | 0.18 (−1.25-1.61) | 0.98 (−2.23-4.18) | −0.11 (−1.04-0.83) | 0.23 (−0.27-0.73) | 0.88 (−1.83-3.59) |
| Total number of GPs | 0.18 (−0.64-0.99) | −0.24 (−1.23-0.75) | 0.19 (−0.14-0.52) | −0.002 (−0.16-0.16) | −0.45 (−1.80-0.89) |
| % GPs offering condition-specific services | −0.27 (−0.82-0.29) | −1.62 (−2.56-0.68) | |||
| Prescribing rates¶ | |||||
| Respiratory drugs | 3.91 (−63.86-71.67) | −22.85 (−271.07-225.37) | |||
| Diabetes drugs | 26.70 (−386.93-440.34) | ||||
| Cardiovascular drugs | −5.90 (−40.34-28.53) | −8.79 (−20.85-3.27) |
COPD, chronic obstructive pulmonary disease
*
2000/01 age-standardized rates per 100 000 resident population; obtained from quantile regression
†
age-standardized rates per 100 000 resident population
§
corresponds to P ≤ 0.05
¶
rates per resident population