Table 2.
Univariate analysis of variables associated with longer duration of nasal oxygen therapy (n = 65).
| Patients with prolonged oxygen therapy (≥20 Days) N = 24 | Patients with shorter oxygen therapy (<20 days)N = 41 | P-value | |
|---|---|---|---|
| Male gender | 16 (66.7) | 26 (63.4) | 0.7909 |
| Age (median [IQR], years) | 66.0 [54.8; 74.3] | 61.0 [51.0; 68.0] | 0.0933 |
| Risk factor | |||
| Obesity | 1 (4.2) | 3 (7.3) | 0.6506 |
| Hypertension | 14 (58.3) | 10 (24.4) | 0.0070 |
| Congestive heart failure | 1 (4.2) | 2 (4.9) | 0.8589 |
| Diabetes melitus | 5 (20.8) | 5 (12.2) | 0.4298 |
| Chronic obstructive pulmonary disease, asthma | 4 (16.7) | 4 (9.8) | 0.4536 |
| Active neoplasia | 2 (8.3) | 6 (14.6) | 0.4176 |
| Managed in ICU during hospitalization | 6 (25.0) | 9 (22.0) | 0.7702 |
| Invasive ventilation during hospitalization | 2 (8.3) | 3 (7.3) | 1.0000 |
Data are n (%) unless otherwise stated. ICU, intensive care unit; IQR, interquartile range. Bold values means statistically significant (as inferior to 0.05).