Table 1 Baseline characteristics at time of computed tomography and outcomes
|  | Overall (N = 34) | Mild (n = 6) | Moderate (n = 25) | Severe (n = 3) | p-value |
|---|---|---|---|---|---|
P/F ratio | 150.3 ± 43.9 | 222.8 ± 16.1 | 141.8 ± 20.8 | 75.6 ± 29.5 |  |
Baseline demographics at CT | Â | Â | Â | Â | Â |
 Age (years) | 63.0 ± 10.2 | 61.8 ± 9.0 | 61.9 ± 10.4 | 74.0 ± 4.4 | 0.068 |
 Gender (male) | 30 (88.2%) | 5 (83.3%) | 22 (88.0%) | 3 (100%) | 0.763 |
 BMI, m/kg2 | 28.2 ± 4.4 | 29.0 ± 3.5 | 27.6 ± 4.0 | 32.1 ± 8.3 | 0.473 |
 Time since symptoms (days) | 23.4 ± 11.8 | 27.3 ± 14.4 | 23.7 ± 11.1 | 13.8 ± 11.4 | 0.339 |
 SOFA score | 7.5 ± 3.4 | 8.5 [6] | 7.4 ± 3.5 | 7.0 ± 4.6 | 0.755 |
 CTSI | 73.1 ± 18.7 | 70.7 ± 33.7 | 73.3 ± 15.2 | 76.0 ± 12.0 | 0.930 |
 LUSI | 57.6 ± 16.8 | 53.7 ± 21.8 | 58.9 ± 16.3 | 53.7 ± 13.1 | 0.779 |
Clinical outcomes | Â | Â | Â | Â | Â |
 Discharge (%) | 17 (51.5%) | 5 (83.3%) | 11 (45.8%) | 1 (33.3%) | 0.636 |
 Still admitted on ICU (%) | 7 (21.2%) | 1 (16.7%) | 5 (20.8%) | 1 (33.3%) | 0.636 |
 Lost to follow-up (%) | 3 (8.8%) | 0 (0%) | 3 (12.0%) | 0 (0%) | 0.636 |
 Deceased (%) | 6 (17.6%) | 0 (0%) | 5 (20.0%) | 1 (33.3%) | 0.636 |
 ICU admission > 30 days (%) | 16 (59.4%) | 3 (50.0%) | 12 (63.2%) | 1 (50.0%) | 0.817 |
 Composite outcome (%) | 22 (66.7%) | 3 (50%) | 17 (70.8%) | 2 (66.7%) | 0.626 |