Table 2.
Use of traditional radiology in the ICU populations during COVID-19 epidemic in 2020 and in the same time frame in 2019*
| Chest X-ray |
Thoracic CT scan |
|||||
|---|---|---|---|---|---|---|
| 2019 | 2020 | p | 2019 | 2020 | p | |
| Patients who underwent traditional imaging | ||||||
| Overall | 78 (69.6) | 68 (81.0) | 0.072 | 18 (16.1) | 14 (16.7) | 0.911 |
| With ARF | 19 (86.4) | 53 (82.8) | 1.000 | 7 (31.8) | 8 (12.5) | 0.039 |
| COVID-19 | 47 (85.5) | 1.000† | 2 (3.6) | 0.001† | ||
| No. of imaging exams per patient | ||||||
| Overall | 1.0 [0.0–3.0] 1.8 ± 2.1 |
1.0 [1.0–2.0] 1.6 ± 1.4 |
0.6672 | 0.0 [0.0–0.0] 0.2 ± 0.5 |
0.0 [0.0–0.0] 0.2 ± 0.5 |
0.8928 |
| With ARF | 3.0 [1.0–4.0] 3.1 ± 2.7 |
1.0 [1.0–2.0] 1.5 ± 1.1 |
0.0079 | 0.0 [0.0–0.1] 0.4 ± 0.6 |
0.0 [0.0–0.0] 0.2 ± 0.5 |
0.0372 |
| COVID-19† | 1.0 [1.0–2.0] 1.5 ± 1.1 |
0.0098† | 0.0 [0.0–0.0] 0.06 ± 0.3 |
0.0006† | ||
| Exams per patient-bed day | ||||||
| Overall | 204 (19.1) | 133 (13.7) | 0.001 | 23 (2.2) | 18 (1.9) | 0.639 |
| With ARF | 69 (19.1) | 98 (12.4) | 0.003 | 11 (3.0) | 11 (1.4) | 0.058 |
| COVID-19† | 85 (13.8) | 0.028† | 3 (0.5) | 0.001† | ||
ARF = acute respiratory failure; COVID-19 = coronavirus disease 2019; ICU = intensive care unit.
⁎
Values are expressed as the number (%), median [interquartile range] or mean ± standard deviation. Significant p values < 0.05 are in boldface.
†
COVID-19 patients in 2020 are compared with ARF patients in 2019.