Period 1 (N = 781) | Period 2 (N = 988) | Period 3 (N = 1171) | P value | Total (N = 2940) | |||||
---|---|---|---|---|---|---|---|---|---|
n = | % (95% CI) | n = | % (95% CI) | n = | % (95% CI) | n = | % (95% CI) | ||
Demographic data of study participants | |||||||||
Age [mean (± SD)] | 61 (± 22) | 66 (± 18) | 61 (± 20) | P = 0.04 | 61 (± 21) | ||||
Female sex | 417 | 46.6 (43.1–50.1) | 489 | 50.5 (47.4–53.6) | 591 | 49.5 (46.6–52.3) | P = 0.27 | 1497 | 50.9 (49.1–52.7) |
SARS-CoV-2 test results | |||||||||
Positive test at the ED | 70 | 9.0 (7.2–11.2) | 135 | 13.7 (11.7–15.9) | 203 | 17.3 (15.3–19.6) | 408 | 13.9 (12.7–15.2) | |
Negative test at the ED | 374 | 47.9 (44.4–51.4) | 515 | 52.1 (49.0–55.2) | 569 | 48.6 (45.7–51.5) | 1458 | 49.6 (47.8–51.4) | |
Positive test before admission | 92 | 11.8 (9.7–14.2) | 193 | 19.5 (17.2–22.1) | 283 | 24.2 (21.8–26.7) | 568 | 19.3 (17.9–20.8) | |
Not tested | 245 | 31.4 (28.2–34.7) | 145 | 14.7 (12.6–17.0) | 116 | 9.9 (8.3–11.8) | 506 | 17.2 (15.9–18.6) | |
ICD-10 diagnosis at discharge from ED | |||||||||
Covid-19 | 53 | 6.8 (5.2–8.85) | 146 | 14.8 (12.7–17.1) | 229 | 19.6 (17.4–21.9) | 428 | 14.6 (13.3–15.9) | |
Respiratory symptoms | 109 | 14.0 (11.7–16.6) | 163 | 16.5 (14.3–18.9) | 143 | 12.2 (10.5–14.2) | 415 | 14.1 (12.9–15.4) | |
Other infection | 103 | 13.3 (11.0–15.7) | 107 | 10.8 (9.0–12. 9) | 106 | 9.1 (7.5–10.8) | 316 | 10.7 (9.7–11.9) | |
Chest pain or heart disease | 95 | 12.2 (10.1–14.6) | 95 | 9.6 (7.9–11.6) | 107 | 9.1 (7.6–10.9) | 297 | 10.1 (9.1–11.2) | |
Abdominal pain or GI symptoms | 93 | 11.9 (9.8–14.4) | 78 | 7.9 (6.4–9.7) | 102 | 8.7 (7.2–10.5) | 273 | 9.3 (8.3–10.4) | |
Other internal medicine | 58 | 7.4 (5.8–9.5) | 54 | 5.5 (4.2–7.1) | 78 | 6.77 (5.4–8.2) | 190 | 6.5 (5.6–7.4) | |
Neurological deficit or symptoms | 53 | 6.4 (5.2–8.8) | 48 | 4.9 (3.7–6.4) | 59 | 5.0 (3.9–6.4) | 160 | 5.4 (4.7–6.3) | |
Other respiratory tract infection | 35 | 4.5 (3.2–6.2) | 30 | 3.0 (2.1–4.3) | 41 | 3.5 (2.6–4.7) | 106 | 3.6 (3.0–4.3) | |
Trauma | 25 | 3.2 (2.2–4.7) | 34 | 3.4 (2.5–4.8) | 29 | 2.5 (1.7–3.5) | 88 | 3.0 (2.4–3.7) | |
Other orthopedic diagnose | 20 | 2.6 (1.7–3.9) | 16 | 1.6 (1.0–2.6) | 34 | 2.9 (2.1–4.0) | 70 | 2.4 (1.9–3.0) | |
Other surgery or urology | 20 | 2.6 (1.7–3.9) | 10 | 1.0 (1.9–0.6) | 17 | 1.5 (0.9–2.3) | 47 | 1.6 (1.2–2.1) | |
No diagnosis | 91 | 11.7 (9.6–14.1) | 173 | 17.5 (15.3–20.0) | 180 | 15.4 (13.4–17.6) | 444 | 15.1 (13.9–16.4) | |
Other | 26 | 3.3 (2.3–4.8) | 34 | 3.4 (2.5–4.8) | 46 | 3.9 (3.0–5.2) | 106 | 3.6 (3.0–4.3) | |
Discharge from ED | |||||||||
Discharge to home from ED, total | 395 | 50.6 (47.1–54.1) | 478 | 48.4 (45.3–51.5) | 580 | 49.5 (46.7–52.4) | 1453 | 49.4 (47.6–51.2) | |
Positive test at the ED | 20 | 2.6 (1.7–3.9) | 50 | 5.1 (3.9–6.6) | 81 | 6.9 (5.6–8.5) | 151 | 5.1 (4.4–6.0) | |
Negative test at the ED | 119 | 15.2 (12.9–17.9) | 207 | 21.0 (18.5–23.6) | 268 | 22.9 (20.6–25.4) | 594 | 20.2 (18.8–21.7) | |
Positive test before admission | 51 | 6.5 (5.0–8.5) | 104 | 10.5 (8.8–12.6) | 136 | 11.6 (9.9–13.6) | 291 | 9.9 (8.9–11.0) | |
Not tested | 205 | 26.2 (23.3–29.4) | 117 | 11.8 (10.0–14.0) | 95 | 8.1 (6.7–9.8) | 417 | 14.2 (13.0–15.5) | |
Hospital admissions, total | 386 | 49.4 (45.9–52.9) | 510 | 51.6 (48.5–54.7) | 591 | 50.5 (47.6–53.3) | 1487 | 50.6 (48.8–52.4) | |
Positive test at the ED | 50 | 6.4 (4.9–8.3) | 85 | 8.6 (7.0–10.5) | 122 | 10.4 (8.8–12.3) | 257 | 8.7 (7.8–9.8) | |
Negative test at the ED | 255 | 32.7 (29.5–36.0) | 308 | 31.2 (28.4–34.1) | 301 | 25.7 (23.3–28.3) | 864 | 29.4 (27.8–31.1) | |
Positive test before admission | 41 | 5.2 (3.9–7.0) | 89 | 9.0 (7.4–11.0) | 147 | 12.6 (10.8–14.6) | 277 | 9.4 (8.4–10.5) | |
Not tested | 40 | 5.1 (3.8–6.9) | 28 | 3.6 (2.5–5.1) | 21 | 1.8 (1.2–2.7) | 89 | 3.0 (2.5–3.7) | |
ICD-10 diagnosis, death at ED or hospital ward | |||||||||
Covid-19 | 13 | 1.7 (1.0–2.8) | 29 | 2.9 (2.1–4.2) | 58 | 5.0 (3.9–6.3) | 100 | 3.4 (2.8–4.1) | |
Other infection | 3 | 0.4 (0.1–1.1) | 11 | 1.1 (0.6–2.0) | 11 | 0.9 (0.5–1.7) | 25 | 0.9 (0.6–1.3) | |
Cardiovascular disease | 15 | 1.9 (1.2–3.1) | 6 | 0.6 (0.3–1.3) | 17 | 1.5 (0.9–2.3) | 38 | 1.3 (0.9–1.8) | |
Neurological disease | 7 | 0.9 (0.4–1.8) | 2 | 0.2 (0.04–0.7) | 9 | 0.8 (0.4–1.5) | 18 | 0.6 (0.4–1.0) | |
Malignancy | 3 | 0.4 (0.1–1.1) | 5 | 0.5 (0.2–1.2) | 3 | 0.3 (0.1–0.8) | 11 | 0.4 (0.2–0.7) | |
Other | 3 | 0.4 (0.1–1.1) | 8 | 0.8 (0.4–1.6) | 1 | 0.1 (0.004–0.5) | 12 | 0.4 (0.2–0.7) | |
Hospital deaths, total | 44 | 5.6 (4.2–7.5) | 61 | 6.2 (4.8–7.9) | 99 | 8.5 (7.0–10.2) | 204 | 6.9 (6.1–7.9) |