Table 1.
Characteristics of ED patients aged 65 years and older at time of ED presentation.
| All (n = 372) |
COVID-19 Negative (n = 328) |
COVID-19 Positive (n = 44) |
p-Value | N | ||||
|---|---|---|---|---|---|---|---|---|
| Age, median (IQR) | 77.0 | (71.0; 83.0) | 77.0 | (71.0; 83.0) | 77.0 | (72.0; 85.0) | 0.760 | 372 |
| Female gender, n (%) | 154 | (41.4) | 133 | (40.5) | 21 | (47.7) | 0.456 | 372 |
| Frailty (CFS > 4), n (%) | 125 | (33.6) | 116 | (35.4) | 9 | (20.5) | 0.072 | 372 |
| Dyspnoea, n (%) | 167 | (44.9) | 151 | (46.0) | 16 | (36.4) | 0.294 | 372 |
| Confusion, n (%) | 63 | (16.9) | 56 | (17.1) | 7 | (15.9) | 1.000 | 372 |
| Weakness, n (%) | 113 | (30.4) | 106 | (32.3) | 7 | (15.9) | 0.041 | 372 |
| Abnormal Fatigue, n (%) | 152 | (40.9) | 133 | (40.5) | 19 | (43.2) | 0.865 | 372 |
| ESI level, n (%) | 0.012 | 367 | ||||||
| 1 | 11 | (3.0) | 8 | (2.5) | 3 | (7.0) | ||
| 2 | 195 | (53.1) | 182 | (56.2) | 13 | (30.2) | ||
| 3 | 157 | (42.8) | 130 | (40.1) | 27 | (62.8) | ||
| 4 | 4 | (1.1) | 4 | (1.2) | 0 | (0.0) | ||
| 5 | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | ||
| Temperature, (°C), median (IQR) | 37.1 | (36.6; 38.1) | 37.1 | (36.5; 38.1) | 37.2 | (36.8; 38.0) | 0.687 | 354 |
| Respiratory rate (brpm), median (IQR) | 20.0 | (16.0; 24.0) | 20.0 | (16.0; 24.0) | 20.0 | (16.0; 25.0) | 0.776 | 358 |
| Oxygen saturation (%), median (IQR) | 96.0 | (94.0; 97.0) | 96.0 | (94.0; 97.0) | 95.0 | (94.0; 96.5) | 0.093 | 361 |
| Heart rate (bpm), median (IQR) | 86.0 | (74.0; 100.0) | 86.5 | (73.0; 101.0) | 83.0 | (75.5; 97.0) | 0.450 | 361 |
| Systolic BP (mmHg), median (IQR) | 138.0 | (120.0; 159.0) | 140.0 | (121.0; 160.0) | 131.0 | (119.0; 151.0) | 0.119 | 356 |
| Diastolic BP (mmHg), median (IQR) | 78.0 | (67.0; 86.0) | 79.5 | (68.0; 86.0) | 71.0 | (64.8; 81.2) | 0.153 | 350 |
| NEWS, median (IQR) | 3.0 | (1.0; 5.0) | 3.0 | (1.0; 5.0) | 3.0 | (2.0; 5.0) | 0.747 | 354 |
| Initial disposition, n (%) | 0.175 | 372 | ||||||
| Outpatient | 94 | (25.3) | 86 | (26.2) | 8 | (18.2) | ||
| Medical ward | 256 | (68.8) | 225 | (68.6) | 31 | (70.5) | ||
| ICU | 22 | (5.9) | 17 | (5.2) | 5 | (11.4) | ||
| 30-day-ICU-admission, n (%) | 27 | (7.3) | 20 | (6.1) | 7 | (15.9) | 0.029 | 372 |
| Mechanical ventilation, n (%) | 7 | (1.9) | 4 | (1.2) | 3 | (6.8) | 0.038 | 372 |
| 30-day-mortality, n (%) | 27 | (7.3) | 21 | (6.4) | 6 | (13.6) | 0.103 | 372 |
| Composite outcome, n (%) | 51 | (13.7) | 40 | (12.2) | 11 | (25.0) | 0.037 | 372 |
The table comprises all patients analysed, patients with subsequent negative SARS-CoV-2 PCR swab tests and patients with subsequent positive SARS-CoV-2 PCR swab tests. ED = emergency department; SARS-CoV-2 = severe acute respiratory syndrome coronavirus 2; PCR = polymerase chain reaction; IQR = interquartile range (25th–75th percentile); n = number; CFS = Clinical Frailty Scale; ESI = emergency severity index, bpm = beats per minute, BP = blood pressure; mmHg = millimetres of mercury, NEWS = national early warning score; and ICU = intensive care unit.