Demographics and clinical characteristics of patients with COVID-19-associated pneumothorax in ICU and without pneumothorax
| Baseline characteristics | COVID-19- associated pneumothorax | COVID-19 not associated with pneumothorax |
| Total N=75 | N=1713 | |
| Age (mean±SD) years | 55.1 (±12.7) | NA |
| Gender n (%) | NA | |
| Male | 72 (96%) | |
| Female | 3 (4%) | |
| Ethnicities n (%) | NA | |
| Nepalese | 14 (18.7%) | |
| Bangladeshi | 10 (13.3%) | |
| Pakistani | 9 (12%) | |
| Indian | 10 (13.3%) | |
| Filipino | 10 (13.3%) | |
| Qatari | 6 (8%) | |
| Syrian | 2 (2.6%) | |
| Sudani | 3 (4%) | |
| American | 2 (2.7%) | |
| Indonesian | 1 (1.3%) | |
| Irani | 2 (2.7%) | |
| Others | 6 (8%) | |
| Height (median IQR) cm | 168 (164 to 170) | NA |
| Weight (median IQR) Kg | 75 (65 to 85) | NA |
| BMI (mean±SD) kg/m2 | 27.2 (±3.9) | NA |
| Comorbidities n (%) | NA | |
| HTN | 22 (29.3%) | |
| T2DM | 21 (28%) | |
| CVA | 3 (4%) | |
| CAD | 3 (4%) | |
| COPD | 1 (1.3%) | |
| Asthma | 5 (6.7%) | |
| TB | 1 (1.3%) | |
| CKD | 3 (4%) | |
| HIV | 0 (0%) | |
| Malignancy | 5 (6.7%) | |
| Vitals at admission to ICU | ||
| Temperature (median IQR) | 36.9 (36.6–37.8) | NA |
| Heart rate (mean±SD) bpm | 101 (±21.3) | NA |
| MAP (mean±SD) mm Hg | 93.1 (±14.1) | NA |
| Respiratory rate (median IQR) breaths/min | 30 (26 to 34) | NA |
| SOFA score (median IQR) | 2 (2 to 4) | NA |
| SOFA score (mean±SD) | 2.92 (±1.75) | 4.3 (±4) |
| Pneumonia severity index (median IQR) | 77 (65 to 96) | NA |
| APACHE II score (mean±SD) | 8.8 (±2.9) | 13.5 (±6.4) |
| Pneumonia on chest XR n (%) | 70 (93.3%) | NA |
| Inotrope use during ICU stay n (%) | 73 (97.3%) | NA |
APACHE II, Acute Physiology and Chronic Health Evaluation II; BMI, Body mass index; CAD, Coronary artery disease; COPD, Chronic obstructive pulmonary disease; CVA, Cerebrovascular accident; HTN, hypertension; ICU, intensive care unit; MAP, mean arterial pressure; MENA, Middle East and North Africa; NA, not available; SOFA, Sequential organ failure assessment; TB, Tuberculosis; T2DM, Type 2 diabetes mellitus.