Table 1.
Characteristics of the studied population.
| Variables | Control subjects, n = 82 | COVID-19 patients |
|||
|---|---|---|---|---|---|
| Without oxygen therapy, n = 110 | Non-invasive oxygen therapy, n = 136 | Invasive oxygen therapy |
|||
| Total, n = 36 | Of them died, n = 12 | ||||
| Sex, n (%) | |||||
| - Male | 33 (40.2) | 52 (47.3) | 56 (41.2) | 15 (41.7) | 3 (25.0) |
| - Female | 49 (59.8) | 58 (52.7) | 80 (58.8) | 21 (58.3) | 9 (75.0) |
| Age, years mean (SD) | 42.10 (1.41) | 51.11 (1.66) | 63.34 (1.32) | 65.08 (2.27) | 66,14 (5,08) |
| p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | ||
| p1 < 0.001 | p1 < 0.001 | p1 = 0.006 | |||
| BMI, kg/m2 mean (SD) | 28.85 (0.31) | 29.08 (0.28) | 30.02 (0.42) | 31.03 (0.23) | 31,11 (0,32) |
| p = 0.030 | p ≤0.001 | p < 0.001 | |||
| p1 < 0.001 | p1 < 0.001 | ||||
| p2 = 0.040 | p2 = 0.040 | ||||
Note: p – comparison with control subjects. p1 – comparison with COVID-19 patients without oxygen therapy. p2 – comparison with COVID-19 patients with non-invasive oxygen therapy.