Table 1 Clinical and demographic characteristics of patients with community-acquired pneumonia with and without acute respiratory distress syndrome
Variables | CAP with ARDS (n = 43) | CAP without ARDS (n = 45) |
|---|---|---|
Male sex | 30 (69.8) | 30 (66.7) |
Age (years) | 63.9 ± 12.4 | 60.8 ± 10.8 |
Smokers | 19 (44.2) | 19 (42.6) |
Underlying diseases | Â | Â |
 Cardiovascular disease | 25 (58.1) | 20 (44.4) |
 Diabetes mellitus | 20 (46.5) | 12 (26.7) |
 Cerebrovascular disease | 3 (7.0) | 1 (2.2) |
 Chronic kidney disease | 2 (4.7) | 6 (13.3) |
PSI score | 20 (10–30) | 10 (0–20) |
APACHE II score | 12 (10–18) | 6 (3.0–9.3) |
Laboratory results | Â | Â |
 WBC (× 10^9/L) | 10.2 (5.9–13.1) | 7.6 (5.5–9.5) |
 LDH (µ/L) | 373 (259.6–502.0) | 260 (221.2–354.5) |
 IL-6 (µg/L) | 208.3 (97.4–1783.9) | 46.7 (15.5–127.4) |
 IL-10 (µg/L) | 8.3 (5.2–29.1) | 3.3 (2.1–6.1) |
 LAC (mmol/L) | 2.4 (1.8–4.0) | 1.8 (1.3–2.7) |
 CRP (mg/dL) | 183 (146–215) | 94.7 (57.3–151.5) |
 PCT (ng/mL) | 5.7 (0.9–18.3) | 0.2 (0.1–0.7) |
Oxygen therapy and respiratory support | Â | Â |
 Nasal cannula | 18 (41.8) | 45 (100.0) |
 Mask and/or HFNO | 5 (11.6) | 0 (0.0) |
 Noninvasive ventilation | 8 (18.6) | 0 (0.0) |
 Invasive mechanical ventilation | 12 (27.9) | 0 (0.0) |
Outcome | Â | Â |
 Death | 7 (16.3) | 0 (0.0) |
 Survival | 36 (83.7) | 45 (1.0) |