Table 2.
Demographic and clinical characteristics of survivors and non-survivors.
| Characteristics | Survivors n = 65 |
Non-Survivors n = 32 |
p-Value |
|---|---|---|---|
| Age, years | 42 (32–48) | 48.5 (41–52) | 0.007 |
| Sex (n, %) | |||
| Female | 18 (27.7) | 6 (18.8) | 0.454 |
| Male | 47 (72.3) | 26 (81.2) | |
| PaO2/FiO2 ratio | 160 (106–225) | 143.65 (68.42–195) | 0.143 |
| Classification PaO2/FiO2 ratio (n, %) | |||
| Mild | 22 (33.8) | 8 (25) | 0.484 |
| Moderate | 31 (47.7) | 14 (43.8) | 0.829 |
| Severe | 12 (18.5) | 10 (31.3) | 0.198 |
| IMV | 32 (49.2) | 32 (100) | 0.001 |
| Length IMV, days | 6 (1–16) | 23.50 (15–34) | 0.001 |
Continuous data are presented as median (interquartile range, IQR) and categorical data as number and frequency in percentage (%). Statistical tests employed for the comparisons: Mann–Whitney U test and Fisher’s exact test. IMV, invasive mechanical ventilation. PaO2/FiO2 ratio at hospital admission, mmHg.