Table 2.
Prehospital time intervals by area-level SES.
| Variable | Total | Affluent | Middle | Deprived | p |
|---|---|---|---|---|---|
| Total patients | |||||
| Symptom onset to final hospital (hours) | 4.3 (1.7–10.4) | 4.0 (1.4–10.0) | 4.2 (1.4–10.6) | 4.6 (2.0–10.8) | <0.001 |
| Patients who were transferred | |||||
| Symptom onset to first hospital (hours) | 2.9 (1.0–8.8) | 3.0 (1.0–8.7) | 3.0 (1.0–9.2) | 2.8 (1.0–8.4) | 0.03 |
| Patients who used EMS | |||||
| Symptom onset to call (min) | 60 (12–288) | 52 (10–261) | 60 (12–282) | 67 (15–349) | 0.04 |
| Call to EMS arrival (min) | 6 (4–10) | 7 (5–10) | 5 (4–8) | 6 (4–10) | <0.001 |
| Call to hospital arrival (min) | 32 (24–48) | 33 (25–46) | 30 (23–40) | 40 (26–66) | <0.001 |
Abbreviations: SES—socioeconomic status; EMS—emergency medical service. Variables were reported as median and interquartile range. p-values were calculated using the =Kruskal-Wallis test.