| Pneumonia | Non-pneumonia | p value | NHAI | Non NHAI | p value |
---|---|---|---|---|---|---|
n = 41 | n = 19 | n = 24 | n = 36 | |||
Agea | 73 (61–79) | 76 (59–81) | 0.744 | 78 (72–85) | 71 (57–77) | 0.004 |
Maleb | 30 (73.2%) | 12 (63.2%) | 0.431 | 15 (62.5%) | 27 (75.0%) | 0.391 |
ARDS | 8 (19.5%) | 0 (0%) | 0.047 | 4 (16.7%) | 4 (11.1%) | 0.702 |
Pneumonia |  |  |  | 23 (95.8%) | 19 (52.8%) | < 0.001 |
Charlson Comorbidity Indexa | 3 (1–4) |  | 0.085 | 3 (2.3–5.0) | 1.5 (0–2.8) | < 0.001 |
Cause of intubation |  |  | < 0.001 |  |  | < 0.001 |
 Cardiac arrest | 1 (2.4%) | 3 (15.8%) |  | 0 (0.0%) | 4 (11.1%) |  |
 Neurological distress | 5 (12.2%) | 13 (68.4%) |  | 1 (4.2%) | 17 (47.2%) |  |
 Post-operative status | 0 (0%) | 1 (5.3%) |  | 0 (0.0%) | 1 (2.8%) |  |
 Respiratory | 35 (85.4%) | 2 (10.5%) |  | 23 (95.8%) | 14 (38.9%) |  |
PaO2/FiO2 ratio | 212 (133.5–299) | 431 (321–458) | < 0.001 | 222 (131.3–301.0) | 323 (184.3–442.5) | 0.022 |
Severity | Â | Â | Â | Â | Â | Â |
 APACHE II scorea | 20 (16–24) | 22 (17–25) | 0.202 | 20.5 (16.3–24.0) | 21 (17–25) | 0.634 |
 SOFA scorea | 7 (6–9) | 6 (4–9) | 0.117 | 7 (6–9) | 7 (5–9) | 0.569 |
GCSa | 8 (6–11) | 6 (5–9) | 0.074 | 8.5(6.0–10.8) | 7.5 (6–9) | 0.303 |
Extubation success in 3Â weeks | 23 (56.1%) | 11 (57.9%) | 0.999 | 14 (58.3%) | 20 (55.6%) | 0.999 |
28-day all-cause mortality | 12 (29.3%) | 6 (31.6%) | 0.999 | 7 (29.2%) | 11 (30.6%) | 0.999 |
Final hospital mortality | 19 (46.3%) | 6 (31.7%) | 0.4 | 11 (45.8%) | 14 (38.9%) | 0.606 |
MV durationa | 13 (8–18) | 10 (7–16) | 0.335 | 13 (8–17.5) | 10 (7.0–16.8) | 0.384 |
CRP (mg/dl) | 133 (45–213.5) | 21 (5–132) | 0.008 | 124.5 (62.8–192.0) | 94 (8.0–194.0) | 0.127 |