| Prehospital | In-hospital | Post-hospital | ||
| Number of event/total | ||||
| OR or HR | ||||
| OR (95% CI) | OR (95% CI) | HR (95% CI) | ||
| Distance (miles), tertile* | ||||
| <3 | 1287/3447 | 407/2160 | 678/1753 | |
| 3–9 | 1346/3451 | 304/2105 | 607/1801 | |
| >9 | 1423/3447 | 268/2024 | 572/1756 | |
| Unadjusted | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.07 (0.97 to 1.18) | 0.73 (0.62 to 0.86) | 0.83 (0.74 to 0.92) | |
| >9 | 1.18 (1.07 to 1.30) | 0.66 (0.56 to 0.78) | 0.88 (0.79 to 0.98) | |
| Adjusted for age, sex and deprivation | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.17 (1.05 to 1.30) | 0.80 (0.66 to 0.95) | 0.89 (0.79 to 1.00) | |
| >9 | 1.20 (1.07 to 1.35) | 0.63 (0.52 to 0.77) | 0.96 (0.86 to 1.10) | |
| Adjusted for age, sex, deprivation and other covariates | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.16 (1.04 to 1.29) | 0.82 (0.68 to 0.98) | 0.90 (0.80 to 1.01) | |
| >9 | 1.18 (1.05 to 1.32) | 0.66 (0.54 to 0.80) | 0.97 (0.85 to 1.10) | |
| Adjusted for age, sex, deprivation, other covariates and urban-rural code | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.21 (1.07 to 1.37) | 1.07 (0.73 to 1.58) | 1.21 (0.95 to 1.54) | |
| >9 | 1.30 (1.10 to 1.54) | 0.79 (0.44 to 1.40) | 1.49 (1.04 to 2.15) | |
| Adjusted for age, sex, deprivation, other covariates and estimated travel time | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.44 (1.16 to 1.78) | 0.65 (0.44 to 0.98) | 1.19 (0.90 to 1.58) | |
| >9 | 2.37 (1.24 to 4.54) | 1.04 (0.22 to 4.93) | 2.06 (1.01 to 4.21) | |
| Adjusted for age, sex, deprivation, other covariates, urban-rural code and estimated travel time | ||||
| <3 | 1.00 | 1.00 | 1.00 | |
| 3–9 | 1.46 (1.09 to 1.95) | 1.02 (0.66 to 1.58) | 1.27 (0.96 to 1.68) | |
| >9 | 2.05 (1.00 to 4.21) | 0.95 (0.45 to 2.03) | 1.90 (1.19 to 3.02) | |
*Other covariates included day of week of admission, previous cardiovascular disease, diabetes mellitus, cardiovascular drug use and interactions between distance and deprivation/sex. Analysis was done by excluding missing data.