Table 1.
Demographics of study cohort
| Demographics | Total | Predictors of time from symptom onset to hospital presentation P |
Predictors of time from hospital presentation to imaging diagnosis P |
Predictors of time from imaging diagnosis to treatment P |
|---|---|---|---|---|
| Age (years), median (range), (n = 620) | 67 (25–98) | 0.459 | 0.988 | 0.918 |
| Centre type (n = 620) | 0.802 | 0.665 | 0.102 | |
| DGH | 45 (7) | |||
| Tertiary | 575 (93) | |||
| Sex (n = 620) | 0.385 | 0.756 | 0.589 | |
| Male | 382 (62) | |||
| Female | 238 (38) | |||
| Ethnicity (n = 537) | 0.887 | 0.410 | 0.249 | |
| Caucasian | 499 (92.9) | |||
| Black | 17 (3.2) | |||
| Asian | 17 (3.2) | |||
| Other | 4 (0.7) | |||
| Index of multiple deprivation decile | 0.348 | 0.707 | 0.594 | |
| 1 (most deprived) | 68 (11.5) | |||
| 2 | 42 (7.1) | |||
| 3 | 52 (8.8) | |||
| 4 | 54 (9.2) | |||
| 5 | 54 (9.2) | |||
| 6 | 72 (12.2) | |||
| 7 | 66 (11.2) | |||
| 8 | 57 (9.7) | |||
| 9 | 55 (9.3) | |||
| 10 (least deprived) | 69 (11.7) | |||
| Distance from presenting hospital (miles), median (range) | 6.4 (1–199) | 0.807 | N/A | 0.271 |
| Aortic pathology (n = 620) | 0.664 | 0.282 | 0.059 | |
| Type A | 226 (41.8) | |||
| Type B | 190 (34.5) | |||
| Non-A non-B | 13 (2.3) | |||
| Penetrating aortic ulcer | 48 (9.4) | |||
| Intramural haemorrhage | 60 (12.1) | |||
| Complicated disease (n = 565) | 233 (41.2) | N/A | N/A | 0.495 |
| Mode of presentation (n = 561) | 0.163 | 0.386 | N/A | |
| Direct self-presentation | 91 (16.2) | |||
| Ambulance | 450 (80.2) | |||
| GP referral | 20 (3.6) |
Values are n (%) unless otherwise stated. For each time outcome (symptom onset to hospital presentation, hospital presentation to imaging diagnosis and imaging diagnosis to treatment), the P values for the included variables are presented. DGH, district general hospital; N/A, not applicable.