Table 3.
Comparison of the Discharged Patients and Those That Developed In-Hospital Mortality
| Variables | Discharge(n = 173) | Mortality(n = 36) | p value |
|---|---|---|---|
| Age (yr), mean ± SD | 58.1 ± 15.9 | 78.9 ± 6.4 | <0.001* |
| Older age (≥65 yr), n (%) | 65 (37.6) | 27 (75.0) | <0.001* |
| Male gender, n (%) | 95 (54.9) | 23 (63.9) | 0.212 |
| PSS, median (IQR) | 5 (1-17) | 9 (2-17) | <0.001* |
| High PSS (>5), n (%) | 99 (57.2) | 31 (86.1) | 0.001* |
| Vertebral BMD (HU), median (IQR) | 139 (28-296) | 83 (61-221) | 0.005* |
| Lower BMD (<100 HU), n (%) | 39 (22.5) | 24 (66.7) | <0.001* |
| Prolonged hospital stay, n (%) | 58 (33.5) | 19 (52.8) | 0.025* |
| C-reactive protein (mg/L), median (IQR) | 62 (4-379 | 235 (52-304) | <0.001* |
| Comorbidity, n (%) | 106 (61.3) | 30 (83.3) | 0.008* |
| Hypertension | 55 (31.8) | 16 (44.4) | 0.104 |
| Diabetes mellitus | 53 (30.6) | 14 (38.9) | 0.219 |
| Coronary artery disease | 21 (12.1) | 11 (30.6) | 0.008* |
| Chronic lung disease | 22 (12.7) | 3 (8.3) | 0.340 |
| Cardiac failure | 8 (4.6) | 1 (2.8) | 0.521 |
| Chronic kidney failure | 7 (4.0) | 4 (11.1) | 0.100 |
| Other | 11 (6.4) | 3 (8.4) | 0.533 |
| Clinical classification, n (%) | |||
| Common | 133 (76.9) | 10 (27.8) | <0.001* |
| Severe | 38 (22.0) | 23 (63.9) | <0.001* |
| Critical | 2 (1.1) | 3 (8.3) | 0.01* |
⁎
Statistically significant. Abbr: BMD, bone mineral density; HU, Hounsfield unit; IQR, interquartile range; PSS, Pneumonia Severity Score; SD, standard deviation.