Table 3. Laboratory findings of 191 patients with community-acquired pneumonia in the military.
| Variables | Adenovirus positive (n = 153) | Adenovirus negative (n = 38) | Total (n = 191) | P value |
|---|---|---|---|---|
| White blood cell (WBC) | ||||
| WBC, 109/L, admission day | 6.48 ± 3.31 | 10.46 ± 4.74 | 7.27 ± 3.96 | <0.001 |
| Leukopenia (<4×109/L) | 35 (22.9) | 1 (2.6) | 36 (18.8) | 0.002 |
| Leukocytosis (>10×109/L) | 19 (12.4) | 16 (42.1) | 35 (18.3) | <0.001 |
| Neutrophil, % | 67.6 ± 12.5 | 74.8 ± 9.4 | 69.0 ± 12.3 | 0.001 |
| Lymphocyte, % | 21.5 ± 10.7 | 16.8 ± 7.2 | 20.6 ± 10.3 | 0.002 |
| Leukopenia during febrile period | 96 (62.7) | 7 (18.4) | 103 (53.9) | <0.001 |
| WBC, 109/L, nadir (n = 103) | 3.15 ± 0.53 | 3.18 ± 0.54 | 3.15 ± 0.53 | 0.884 |
| Days from fever onset to WBC nadir (n = 103) | 6.6 ± 1.6 | 6.7 ± 0.5 | 6.6 ± 1.5 | 0.817 |
| Days from fever onset to the most radiologic aggravation | 6.4 ± 1.7 | 5.8 ± 1.9 | 6.3 ± 1.8 | 0.072 |
| Platelet | ||||
| Platelet, 109/L, admission day | 179 ± 65 | 242 ± 73 | 192 ± 71 | <0.001 |
| Thrombocytopenia (<150×109/L) | 55 (35.9) | 2 (5.3) | 57 (29.8) | <0.001 |
| Thrombocytopenia during febrile period | 64 (41.8) | 3 (7.9) | 67 (35.1) | <0.001 |
| Hematocrit, % | 40.8 ± 2.9 | 42.1 ± 3.1 | 41.1 ± 2.9 | 0.020 |
| CRP, mg/dL | 6.95 ± 4.85 | 7.25 ± 6.40 | 7.01 ± 5.18 | 0.747 |
| Procalcitonin, ng/mL (n = 149) | 0.35 ± 0.90 | 0.31 ± 1.02 | 0.34 ± 0.92 | 0.820 |
| pH | 7.39 ± 0.04 | 7.38 ± 0.04 | 7.39 ± 0.04 | 0.591 |
| BUN, mg/dL | 11.1 ± 3.4 | 12.7 ± 3.7 | 11.4 ± 3.5 | 0.015 |
| Sodium, mmol/L | 135 ± 11 | 137 ± 2 | 136 ± 3 | 0.225 |
| Glucose, mg/dL | 106 ± 19 | 101 ± 13 | 104 ± 17 | 0.218 |
| Creatine phosphokinase, IU/L (n = 158) | 778 ± 977 | 462 ± 637 | 716 ± 927 | 0.090 |
| AST, IU/L | 49 ± 47 | 38 ± 34 | 47 ± 45 | 0.186 |
| ALT, IU/L | 33 ± 37 | 30 ± 29 | 33 ± 35 | 0.725 |
CRP: C-reactive protein, BUN: blood urea nitrogen, AST: aspartate aminotransferase, ALT: alanine aminotransferase