Table 2. Laboratory characteristics and number of patients with laboratory values corresponding with AHA supplemental laboratory criteria.
| Characteristic | Median (range) | Cutoff | No. (%) |
|---|---|---|---|
| CRP (mg/dL) | 7.95 (0.26-44.51) | ≥3.0 | 331 (93.2) |
| Supplemental laboratory criteria | 90 (25.4) | ||
| WBC count (/mm3) | 13,450 (3,000-31,300) | ≥15,000 | 140 (39.4) |
| Hemoglobin (g/dL) | 11.5 (8.4-16.8) | Anemia | 100 (28.2) |
| Platelet (×103/mm3) | 312 (51-864) | ≥450 | 12 (27.9*) |
| Albumin (g/dL) | 3.4 (2.0-4.5) | ≤3.0 | 70 (19.7) |
| ALT (IU/L) | 38 (5-1,028) | >45 | 170 (47.9) |
| Urine WBC (/HPF) | - | ≥10 | 114 (32.1) |
*Percentage was calculated in 46 patients who underwent complete blood count examination on 8th-10th day after fever onset.
AHA, American Heart Association; CRP, C-reactive protein; WBC, white blood cell; ALT, alanine aminotransferase; HPF, high power field.