Table 1.
Baseline characteristics of all first-time contacts within the study period. Parts of the baseline characteristics were previously presented in another study21
| All patients on arrival | ||
| Patients | n (%) | 40 423 (100) |
| Age (years) | Median (IQR) | 57 (38–74) |
| Gender | Female (%) | 21 239 (52.5) |
| Male (%) | 19 184 (47.5) | |
| Age groups (years) | 18–44 (%) | 13 189 (32.6) |
| 45–64 (%) | 10 971 (27.1) | |
| 65–84 (%) | 12 478 (30.9) | |
| >84 (%) | 3785 (9.4) | |
| Charlson Comorbidity Index | 0 (%) | 24 236 (60.0) |
| 1 (%) | 6775 (16.8) | |
| 2 (%) | 4335 (10.7) | |
| >2 (%) | 5077 (12.6) | |
| Values | Respiratory frequency, mean±SD (n=missing) | 17±4 (7718) |
| Systolic blood pressure, mean±SD (n=missing) | 139±25 (4371) | |
| Heart rate, mean±SD (n=missing) | 85±19 (4368) | |
| Glasgow Coma Scale, median (IQR) (n=missing) | 15 (15–15) (5834) | |
| Temperature, mean±SD (n=missing) | 36.8±0.9 (8701) | |
| Saturation, median (IQR) (n=missing) | 98 (96–100) (5873) | |
| Creatinine, median (IQR) (n=missing) | 78 (65–95) (7104) | |
| PaO2, median (IQR) (n=missing) | 10.5 (8.9–12.6) (29 479) | |
| Platelet, median (IQR) (n=missing) | 240 (196–294) (13 009) | |
| Bilirubin, median (IQR) (n=missing) | 9 (6–13) (10 838) |