Table 1.
Baseline demographic and clinical characteristics and final outcomes of the patients who developed acute respiratory distress syndrome, or pneumonia without this criterion.
| Characteristics | ARDS | Non-ARDS | p Value |
|---|---|---|---|
| Patients n | 29 | 31 | |
| Age, years | 67 ± 13 | 64 ± 9 | NS |
| Male | 23 (79.3) | 15 (48.4) | 0.01 |
| Female | 6(20.7) | 16 (51.6) | 0.01 |
| Smoking status | |||
| Active or former smokers | 15 (51.7) | 7 (11.6) | 0.019 |
| Comorbidities | |||
| Arterial hypertension | 16 (55.2) | 15 (48.4) | NS |
| Diabetes mellitus | 11 (37.9) | 10 (32.3) | NS |
| Dyslipidaemia | 12 (41.4) | 12 (38.7) | NS |
| Heart disease | 4 (13.8) | 2 (6.4) | NS |
| Pulmonary disease | 3 (10.3) | 4 (12.9) | NS |
| Previous treatment | |||
| ACE blocker drugs | 14 (48.3) | 13 (31.9) | NS |
| Inhaled corticoids | 1 (3.4) | 4 (12.9) | NS |
| SOFA score | 3.7 ± 2.5 | 1.1 ± 1.2 | 0.000 |
| Respiratory support | |||
| Invasive mechanical ventilation | 23 (79.3) | 0 (0.0) | 0.000 |
| High Flow Nasal Cannula | 8 (27.6) | 2(6.9) | 0.028 |
| Length of IMV | 22.9 ± 13.9 | - | - |
| Final outcomes | |||
| Hospitalisation in ICU | 21 (72.4) | 1 (3.2) | 0.000 |
| Length of hospital stay (days) | 40.9 ± 25.3 | 12.65 ± 7.3 | 0.000 |
| Exitus | 5 (17.2) | 2 (6.4) | 0.049 |
Continuous variables are expressed as the mean (±SD). Categorical data are expressed as n (%). ARDS: Acute respiratory distress syndrome. ACE: Angiotensin-converting enzyme. ICU: Intensive care unit. NS: non-significant. IMV: Invasive Mechanical Ventilation. SOFA: Sepsis related Organ Failure Assessment.