Table 1.
Baseline characteristics.
| Patient factors: | COVID -patients versus pneumonia patients |
Significance | Non-COVID patients versus non-pneumonia patients |
Significance | ||
|---|---|---|---|---|---|---|
| Patient type | COVID-19 -patients | Pneumonia-patients | p-value | Non-COVID- patients | Non-pneumonia -patients | p-value |
| Number of patients – N (%) | 218 (13.8%) | 147 (6.1%) | 1367 (86.2%) | 2262 (93.9%) | ||
| ICU admission type: | ||||||
| Medical patients – N (%) | 217 (99.5) | 147 (100) | 1 | 447 (32.8)* | 828 (36.6)* | 0.019 |
| Elective surgical patients – N (%) | 1 (0.5) | 0 (0) | 1 | 678 (49.6)* | 1188 (52.5)* | 0.100 |
| Urgent surgery patients – N (%) | 0 (0) | 0 (0) | – | 239 (17.5)* | 245 (10.8)* | <0.001 |
| Comorbidities: | ||||||
| Diabetes Mellitus – N (%) | 53 (24.3) | 28 (19.0) | 0.263 | 251 (18.4) | 411 (18.2)* | 0.890 |
| Renal insufficiency – N (%) | 7 (3.2) | 16 (10.9) | 0.002 | 57 (4.2) | 147 (6.5)* | 0.005 |
| Cardiovascular insufficiency – N (%) | 6 (2.8) | 7 (4.8) | 0.404 | 76 (5.6) | 97 (4.3) | 0.098 |
| Respiratory insufficiency – N (%) | 26 (11.9) | 55 (37.4) | <0.001 | 145 (10.6)* | 277 (12.2)* | 0.151 |
| Apache-APS score – Median (IQR) | 50 (42 - 64)* | 54 (44 – 68) | 0.079 | 37 (27 - 51) | 38 (27 - 55)* | 0.079 |
| Age – Median (IQR) | 66 (58 - 74) | 68 (59 - 76) | 0.219 | 67 (58 - 73) | 66 (56 – 73) | 0.105 |
| BMI – Median (IQR) | 27.7 (25.2 - 30.2) | 25.7 (23.0 – 29.8) | 0.001 | 26.0 (23.2 - 29.4) | 26.2 (23.5 – 29.6) | 0.262 |
| Mechanical ventilation in first 24 h-N (%) | 181 (83.0) | 82 (55.8) | <0.001 | 779 (57.0) | 1373 (60.7) | 0.026 |
| Mortality | ||||||
| ICU-mortality - N (% | 63 (28.9)* | 28 (19.0) | 0.031 | 83 (6.1) | 160 (7.1)* | 0.240 |
| In hospital mortality – N (%) | 85 (39.0)* | 39 (26.5) | 0.017 | 133 (9.7) | 201 (8.9)* | 0.405 |
| Length of ICU stay in days – Median (IQR) | 14.0 (8.0 – 27.0) | 3.9 (1.5 – 6.8) | <0.001 | 0.9 (0.8 - 1.8) | 0.9 (0.8 – 2.0)* | 0.457 |
| Nursing Activities Scores – Median (IQR) | 55.2 (44.9 – 64.8) | 50 (40.4 – 55.6) | <0.001 | 42.6 (38.5 – 46.9) | 42.9 (29.5 – 51.0) | 0.037 |
⁎
Statistically significant difference compared to baseline characteristics of other hospitals in the NICE database.