Table 1 Baseline characteristics and outcomes of CAP patients from whom serum was collected
Characteristics | Patients with CAP (n = 394) |
|---|---|
Demographic characteristics | |
 Age (years) | 54 (31–67) |
 Males | 235 (59.6) |
Coexisting illnesses | |
 Hypertensive heart disease | 68 (17.3) |
 Diabetes mellitus | 36 (9.1) |
 Chronic obstructive pulmonary diseasee | 17 (4.3) |
 Liver disease | 14 (3.6) |
 Coronary artery disease | 11 (2.8) |
 Renal dysfunction | 9 (2.3) |
 Congestive heart failure | 8 (2.0) |
 Cerebrovascular disease | 8 (2.0) |
 Neoplastic disease | 8 (2.0) |
 Antibiotic pretreatment | 107 (27.2) |
Laboratory findings | |
 PCT (ng/ml) | 0.28 (0.15–0.59) |
 CRP (mg/l) | 44.55 (15.98–106.25) |
 WBC (10^9/l) | 7.95 (6.10–11.30) |
 Neutrophils (10^9/l) | 6.00 (4.10–8.90) |
 NCP (%) | 75.70 (67.08–83.65) |
Radiographic findings | |
 Pleural effusion | 107 (27.2) |
 Multilobar infection | 146 (37.1) |
PSI class | |
 I–III | 328 (83.3) |
 IV | 34 (8.6) |
 V | 32 (8.1) |
CURB65 score class | |
 0–1 | 323 (82.0) |
 2 | 29 (7.4) |
 3–5 | 42 (10.6) |
Clinical outcomes | |
 30-day mortality | 31 (7.9) |
 ICU admission | 46 (11.7) |