Table 4.
Risk factors associated with 1 year mortality of CAP patients compared with the survival patients.
| Live, n=758 | Death, n=151 | p-value | |
|---|---|---|---|
| Age (y), median (IQR) | 72 (55∼79) | 79 (62∼84) | 0.046 |
| Female, n (%) | 351 (46.3) | 80 (53.0) | 0.354 |
| Current smoker, n (%) | 192 (25.3) | 32 (21.2) | 0.490 |
| Cardiovascular disease, n (%) | 199 (26.2) | 62 (41.1) | 0.026 |
| Obesity, n (%) | 131 (17.3) | 11 (7.3) | 0.031 |
| Cerebrovascular disease, n (%) | 72 (9.2) | 31 (20.5) | 0.025 |
| Hypertension, n (%) | 171 (22.6) | 40 (26.5) | 0.522 |
| Type II diabetes, n (%) | 143 (18.9) | 42 (27.8) | 0.137 |
| Scores of APACHE II | 17 (8-29) | 21 (13-31) | 0.005 |
| Laboratory findings at admission, median (IQR) | |||
| WBC | 12.6 (8.7∼15.9) | 13.1 (8.9∼16.4) | 0.561 |
| CRP (mg/L) | 157.5 (75.6∼262.8) | 151.6 (71.5∼231.6) | 0.012 |
| PCT (ug/L) | 0.51 (0.16∼3.39) | 0.53 (0.18∼3.28) | 0.457 |
| TNF-α (pg/mL) | 13.6 (11.4∼21.9) | 13.9 (11.6∼22.0) | 0.538 |
| IL-1 (ng/L) | 28.1 (12.5∼30.5) | 28.6 (12.9∼32.1) | 0.649 |
| CAP severity, n (%) | |||
| PSI grade 1 | 106 (14.0) | 3 (2.0) | 0.000 |
| PSI grade 2 | 135 (17.8) | 15 (9.9) | |
| PSI grade 3 | 144 (19.0) | 21 (13.9) | |
| PSI grade 4 | 283 (37.3) | 48 (31.8) | |
| PSI grade 5 | 90 (11.9) | 64 (42.4) |