Table 2.
Comparison of laboratory findings between the KD with pyuria group and the UTI group
| KD with pyuria (n = 48) |
UTI (n = 118) |
P value | |
|---|---|---|---|
| Hemoglobin, g/dL | 11.3 (10.6–12.2) | 11.0 (10.3–11.6) | 0.060 |
| WBC count, × 109 /L | 14.7 (11.1–18.6) | 14.4 (11.3–20.4) | 0.753 |
| Platelet count, ×109/L | 357 (292–426) | 390 (323–466) | 0.036 |
| CRP, mg/L (normal < 5 mg/L) | 94 (58–121) | 45 (23–88) | < 0.001 |
| Sodium, mmol/L | 136 (135–137) | 136 (135–138) | 0.454 |
| Albumin, g/L | 39 (37–41) | 41 (39–43) | 0.003 |
| AST, IU/L | 52 (40–193) | 35 (30–40) | < 0.001 |
| ALT, IU/L | 109 (30–258) | 23 (17–32) | < 0.001 |
| Elevated AST (> 40 IU/L), n (%) | 34 (70.8%) | 23 (19.5%) | < 0.001 |
| Elevated ALT (> 40 IU/L), n (%) | 34 (70.8%) | 14 (11.9%) | < 0.001 |
| Positive nitrite test, n (%) | 0 (0.0%) | 48 (40.7%) | < 0.001 |
| Hematuria, n (%) | 10 (20.8%) | 59 (50.0%) | 0.001 |
| Proteinuria, n (%) | 7 (14.6%) | 29 (24.6%) | 0.157 |
Median (interquartile range; 25th–75th percentile); KD Kawasaki disease, UTI urinary tract infection, WBC white blood cell, CRP c-reactive protein, AST aspartate transaminase, ALT alanine transaminase