Table 1. Patient characteristics and outcome.
| All patients | Survivors | Non-survivors | P | |
|---|---|---|---|---|
| Number of patients | 235 | 198 | 37 | |
| Age, mean (SD), year | 70.6 (8.0) | 70.17 (9.9) | 72.95 (8.1) | 0.530 |
| Male, No. (%) | 131 (55.7) | 104 (52.5) | 27 (73.0) | 0.030 |
| Co-morbidity No. (%) | ||||
| Hypertension | 103 (43.8) | 89 (45.0) | 14 (37.8) | 0.474 |
| Coronary heart disease | 49 (20.9) | 41 (20.7) | 8 (21.6) | >0.999 |
| Diabetes mellitus | 62 (26.4) | 52 (26.3) | 10 (27.0) | >0.999 |
| Chronic obstructive pulmonary disease | 31 (13.2) | 29 (14.7) | 3 (8.1) | 0.433 |
| Cerebrovascular disease | 19 (8.1) | 16 (8.0) | 3 (8.1) | >0.999 |
| Cancer | 8 (3.4) | 7 (3.5) | 1(2.7) | >0.999 |
| Others | 22 (9.4) | 21 (10.6) | 1 (2.7) | 0.215 |
| None | 67 (28.5) | 57 (28.8) | 12 (32.4) | >0.999 |
| Severity of Illness No. (%) | ||||
| Mild | 98 (41.7) | 97 (49.0) | 1 (2.7) | <0.001 |
| Moderate | 48 (20.4) | 47 (23.7) | 1 (2.7) | 0.002 |
| Severe | 89 (37.9) | 54 (27.3) | 35 (94.6) | <0.001 |
| Scores on Admission, median (IQR), | ||||
| APACHE II | 12 (9, 17) | 11 (9,14) | 24 (20, 27) | <0.001 |
| SOFA | 3 (2,5) | 3 (2,4) | 7 (6, 9) | <0.001 |
| PSI | 82 (65,114) | 75 (63,100) | 152 (128, 166) | <0.001 |
| CURB65 | 1 (1,2) | 1 (1,2) | 3 (2, 4) | <0.001 |
| MEWS | 2 (1, 4) | 2 (1,3) | 5 (4, 6) | <0.001 |
| qSOFA | 0 (0, 1) | 0 (0,1) | 2 (1,2) | <0.001 |
| SIRS criteria ≥2 No. (%) | 132 (56.2) | 99 (50) | 33 (89.19) | <.0001 |
| Outcome | ||||
| Hospital mortality (primary outcome), No. (%) | 37 (15.8) | 0 | 37 (100) | <0.001 |
| Hospital length of stay, median (IQR), d | 13 (6,23) | 15 (8,24) | 5.5 (2.0,9.3) | <0.001 |
Note:
APACHE II, acute physiology and chronic health evaluation II; SOFA, sequential organ function assessment; qSOFA, quick sequential organ function assessment; PSI, pneumonia severity index; CURB-65, the combination of confusion, urea, respiratory rate, blood pressure, and Age ≥65; MEWS, modified early warning score; SIRS, systemic inflammatory response syndrome.