Table 3 Differences in clinical characteristics between survivors and non survivors (Univariate analysis)
From: Etiology and outcome of severe community acquired pneumonia in immunocompetent adults
Clinical features | Survivors (n = 93) | Non survivors (n = 96) | p value |
|---|---|---|---|
Demographic factors | |||
Mean age | 59.3 ± 18.6 | 61.0 ±17.4 | 0.52 |
≥ 65 years age | 48 (52%) | 52 (54%) | 0.73 |
Gender male/female | 55/38 | 55/41 | 0.79 |
ATS major criteria | |||
Use of mechanical ventilation | 18 (19%) | 29 (30%) | 0.08 |
Septic shock | 23 (25%) | 59 (61%) | < 0.001 |
History | |||
Prior antibiotic use | 14 (15%) | 26 (27%) | 0.04 |
Comorbids | 76 (82%) | 84 (88%) | 0.27 |
Physical examination findings | |||
Blood pressure ≤ 90/60 mmHg | 25 (27%) | 30 (31%) | 0.51 |
Pulse ≥ 120/min | 32 (34%) | 37 (39%) | 0.55 |
Respiratory Rate 30/min | 56 (60%) | 57 (59%) | 0.95 |
Laboratory findings | |||
Blood urea nitrogen ≥ 30 mg/dl | 44 (47%) | 59 (61%) | 0.03 |
Creatinine > 1.5 mg/dL | 48 (52%) | 53 (55%) | 0.25 |
Hematocrit <30% | 22 (24%) | 37 (39%) | 0.03 |
Na <130 mmol/L | 22 (24%) | 28 (29%) | 0.39 |
Arterial pH <7.35 | 28 (30%) | 32 (33%) | 0.63 |
Radiographic findings | |||
Pleural effusion | 32 (34%) | 38 (40%) | 0.46 |
Bilateral involvement | 36 (39%) | 53 (55%) | 0.07 |
Multilobar involvement | 28 (30%) | 38 (40%) | 0.22 |
Mean APACHE II score | 19.1 ±6.0 | 28.2 ±7.0 | <0.001 |
APACHE II score ≥ 20 | 38 (41%) | 80 (83.0%) | <0.001 |