| All cases (n = 215) | Vaccination (n = 143) | Non-vaccination (n = 72) | p-value |
---|---|---|---|---|
Outcomes | ||||
 In hospital mortality | 95 (44.2) | 63 (44.1) | 32 (44.4) | 0.957 |
 28-day mortality | 66 (30.7) | 43 (30.1) | 23 (31.9) | 0.779 |
 Hospital days | 27 (16–42) | 25 (15–41) | 30 (16–43) | 0.509 |
 28-day ventilator-free days | 4 (0–18) | 6 (0–17) | 2 (0–20) | 0.917 |
 Time from symptoms onset to 1st Ct > 30, days | 11 (5–17) | 10 (5–17) | 11 (6–18) | 0.575 |
Complications | ||||
 CMV infection | 38 (17.7) | 27 (18.9) | 11 (15.3) | 0.686 |
 GI bleeding | 62 (28.8) | 45 (31.5) | 17 (23.6) | 0.230 |
 Other bleeding | 50 (23.3) | 38 (26.6) | 12 (16.7) | 0.105 |
 Barotrauma | 7 (3.3) | 6 (4.2) | 1 (1.4) | 0.274 |
 Thrombosis | 13 (6.0) | 10 (7.0) | 3 (4.2) | 0.412 |
 Secondary bacterial pneumonia | 108 (50.2) | 70 (49.0) | 38 (52.8) | 0.596 |
 Pulmonary fibrosis | 13 (37.1) | 9 (39.1) | 4 (33.3) | 0.736 |