Table 3 Non-elderly patient characteristics by in-hospital mortality status
Characteristics | Alive (n = 149) | Dead (n = 73) | p-value |
|---|---|---|---|
Age (years) | 51.8 ± 11.2 | 55.3 ± 8.3 | 0.01 |
Sex (male) | 87 (58.4) | 45 (61.6) | 0.665 |
Underlying condition | |||
Charlson comorbidity index | 4.1 ± 2.9 | 5.7 ± 2.7 | < 0.001 |
Do-not-resuscitate status | 38 (25.5) | 54 (74) | < 0.001 |
Vital signs and mental status | |||
Body temperature (°C) | 37, 1.2 | 37, 1.1 | 0.454 |
Mean arterial pressure (mmHg) | 100.5 ± 23.8 | 91.8 ± 24.6 | 0.013 |
Pulse rate (beats/min) | 110.3 ± 22 | 110.1 ± 26.9 | 0.952 |
Respiratory rate (breaths/min) | 34.2 ± 10.3 | 32.6 ± 7.8 | 0.247 |
Glasgow coma scale score | 15, 0.5 | 14, 6 | < 0.001 |
Room air oxygen saturation | 93, 11.5 | 88.5, 13.5 | 0.005 |
Laboratory results | |||
Hemoglobin (g/dL)* | 11.2 ± 2.6 | 10.5 ± 3.1 | 0.085 |
White blood cells (×1000/µL) | 11, 7.6 | 11.5, 9 | 0.648 |
Platelet (×10,000/µL)* | 30.6 ± 14.5 | 24.4 ± 17.1 | 0.005 |
Glomerular filtration rate (ml/min/1.73m2)** | 88.8 ± 43.3 | 84.1 ± 40.2 | 0.443 |
Type of pneumonia | 0.223 | ||
Community-acquired pneumonia | 93 (62.4) | 37 (50.7) | |
Hospital-acquired pneumonia | 54 (36.2) | 34 (46.6) | |
Ventilator-associated pneumonia | 2 (1.3) | 2 (2.7) | |
Severity of Pneumonia (CURB-65)*** | 0.899 | ||
CURB-65 score 0–1 | 41 (27.7) | 19 (27.1) | |
CURB-65 score 2–3 | 101 (68.2) | 49 (70) | |
CURB-65 score 4–5 | 6 (4.1) | 2 (2.9) | |
Initial oxygen support | 0.001 | ||
None | 27 (18.1) | 3 (4.1) | |
Cannula | 57 (38.3) | 23 (31.5) | |
Mask with bag | 30 (20.1) | 31 (42.5) | |
Endotracheal tube | 18 (12.1) | 12 (16.4) | |
Outcome | |||
Emergency department length of stay (hours) | 12, 16 | 15, 22.5 | 0.146 |
Hospital length of stay (days) | 5, 10.5 | 3, 7 | 0.757 |