Descriptive statistics for predictors used in the statistical models
| Period | 2006–7 | 2007–8 |
| Total admissions | 86 586 | 90 183 |
| Variable | Mean (SD) or median (IQR) | Mean (SD) or median (IQR) |
| Total clinical points | 647 (630–654) | 651 (637–654) |
| Total organisational points | 175 (165–178) | 176 (167–179) |
| % Satisfied with phone access | 87 (75–94) | 87 (78–94) |
| % Able to book 2 days ahead | 71 (52–85) | 73 (58–87) |
| % Able to get appointment in 48 h | 89 (83–94) | 89 (83–94) |
| % Able to book with a specific GP | 88 (80–93) | 88 (79–92) |
| % Satisfied with opening hours | 84 (78–88) | 81 (76–85) |
| Distance from hospital (miles) | 4.3 (2.3–10.6) | 4.3 (2.3–10.6) |
| % of Practice male | 50 (49–51) | 50 (49–51) |
| Age (% of practice patients aged 65+ years) | 15 (12–18) | 15 (12–18) |
| Practice deprivation score | 16 (10–32) | 16 (10–32) |
| % of Practice white ethnicity | 91 (71–98) | 91 (71–98) |
| Coronary heart disease prevalence (proportion with CHD) | 0.034 (0.03–0.04) | 0.033 (0.03–0.04) |
| % Response rate to access survey | 0.51 (0.43–0.57) | 0.47 (0.39–0.52) |
N=145 for all variables.
IQR, (quartile1, quartile3).
CHD, coronary heart disease; GP, general practitioner.