Patients’ demographic characteristics, chief complaints and in-hospital course for all patients, stratified by urgency according to initial triage level based on the German version of the Manchester Triage System: urgent refers to patients with a triage category of yellow, orange or red and non-urgent to patients with a triage category of blue or green
| Variable | All (n=1152) | Non-urgent (n=358) | Urgent (n=764) | P value* | Missing triage (n=30) |
| Female % (n) | 47.9 (552) | 52.0 (186) | 46.2 (353) | 0.042 | 43.3 (13) |
| Age (years), median (IQR) | 59 (43–71) | 56 (35–71) | 60 (46–72) | 0.001 | 63 (34–70) |
| BMI, median (IQR) | 25.6 (22.5–29.1) | 25.4 (22.1–28.8) | 25.7 (22.8–29.4) | 0.192 | 25.9 (35.4–28.4) |
| Chief complaint % (n) | 0.001 | ||||
| Chest pain | 11.0 (127) | 5.9 (21) | 13.6 (104) | 6.7 (2) | |
| Abdominal pain | 12.8 (147) | 12.3 (44) | 13.2 (101) | 6.7 (2) | |
| Dyspnea | 10.4 (120) | 8.9 (32) | 10.9 (83) | 16.7 (5) | |
| Headache | 4.0 (46) | 4.2 (15) | 3.9 (30) | 3.3 (1) | |
| None of these | 61.8 (712) | 68.7 (246) | 58.4 (446) | 66.7 (20) | |
| Admitted % (n) | 42.5 (490) | 29.6 (106) | 47.8 (365) | <0.001 | 63.3 (19) |
| In-hospital course for admitted patients | |||||
| Inpatient LOS (days), median (IQR) | 5 (2–9) | 6 (2–9) | 5 (2–9) | 0.685 | 5 (3–11) |
| ICU stay % (n) | 13.3 (65) | 9.4 (10) | 14.2 (52) | 0.128 | 15.8 (3) |
| In-hospital mortality % (n) | 1.5 (17) | 0.8 (3) | 1.6 (12) | <0.001 | 6.7 (2) |
The triage category was missing in 30 patients (last column).
*P values refer to a comparison of variables between non-urgent and urgent cases.
BMI, body mass index; ICU, intensive care unit; LOS, length of stay.