Table 1.
Demographic and baseline characteristics of all enrolled patients, divided according to RT-PCR result for SARS-CoV-2. * = less than 14 years; $ = over than 65 years.
| Variable | Global | COVID-19 negative | COVID-19 positive | p |
|---|---|---|---|---|
| Patients, n (%) | 3899 (100) | 3502 (89.8) | 397 (10.2) | |
| Sex, n (%) | 0.501 | |||
| Male | 1992 (51.1) | 1789 (51.1) | 212 (53.4) | |
| Female | 1907 (48.9) | 1713 (48.9) | 185 (46.6) | |
| Age, years, median (IQR) | 69 (49–82) | 69 (49–82) | 68 (47–81) | 0.830 |
| Paediatrics population*, n (%) | 91 (2.3) | 85 (2.4) | 6 (1.5) | 0.296 |
| Elderly population$, n (%) | 1866 (47.9) | 1672 (47.7) | 194 (48.9) | 0.672 |
| Arrival mode, n (%) | 0.005 | |||
| Walk-in/Private vehicle | 1740 (44.6) | 1612 (46.0) | 128 (32.2) | |
| Ambulance | 1798 (46.1) | 1551 (44.3) | 247 (62.2) | |
| Emergency medical service | 361 (9.3) | 339 (9.7) | 22 (5.5) | |
| Days of the week, n (%) | 0.132 | |||
| During the week | 2998 (76.9) | 2705 (77.2) | 293 (73.8) | |
| Weekend | 901 (23.1) | 797 (22.8) | 104 (26.2) | |
| Access during night (20.00–08.00), n (%) | 789 (20.2) | 718 (20.5) | 71 (17.9) | 0.236 |
| Tourist, n (%) | 235 (6.0) | 227 (6.0) | 8 (2.0) | <0.001 |
| Triage code, n (%) | 0.016 | |||
| Blue and Green | 1666 (42.7) | 1469 (41.9) | 197 (49.6) | |
| Yellow | 1501 (38.5) | 1369 (39.1) | 132 (33.2) | |
| Orange and Red | 732 (18.8) | 664 (19.0) | 68 (17.1) | |
| COVID-19 symptoms | 1191 (30.5) | 897 (25.6) | 294 (74.1) | <0.001 |
| Area of treatment, n (%) | <0.001 | |||
| Surgical area | 1032 (26.5) | 985 (28.1) | 47 (11.8) | |
| Internal medicine area | 2279 (58.5) | 1945 (55.5) | 334 (84.1) | |
| Gynaecological area | 189 (4.8) | 182 (5.2) | 7 (1.8) | |
| Trauma area | 399 (10.2) | 390 (11.1) | 9 (2.3) | |
| Rapid antigen test for COVID-19, n (%) | <0.001 | |||
| Negative antigen test | 3538 (90.7) | 3470 (99.1) | 68 (17.1) | |
| Positive antigen test | 361 (9.3) | 32 (0.9) | 329 (82.9) |