Table 2.
Characteristics in related and unrelated severe COVID-19 patients.
| Variable | Related (n = 130) | Unrelated (n = 1045) | p-value |
|---|---|---|---|
| Male (n, %) | 72 (55.4) | 682 (65.3) | 0.02 |
| Age (years) | 54 (46–62) | 58 (47–68) | 0.03 |
| BMI (kg/m2) | 30 (27–33) | 28 (26–33) | 0.08 |
| IMV requirement (n, %) | 81 (62.3) | 729 (69.8) | 0.08 |
| IMV (days) | 7 (0–18) | 9 (0–21) | 0.02 |
| Days of symptom onset | 9 (7–12) | 9 (7–13) | 0.25 |
| PaO2/FiO2(mm/Hg) | 156 (91–211) | 160 (123–203) | 0.05 |
| Deaths (n, %) | 40 (30.8) | 290 (27.8) | 0.68 |
Continuous data are presented as median (interquartile range, IQR) and categorical data as frequency (percentage, %). The statistical tests employed for the comparisons were U-Mann-Whitney and Fisher's exact test. BMI, Body Mass Index; IMV, invasive mechanical ventilation.