Table 1.
Demographic and clinical characteristics of the enrolled patients.
| KD (n = 50) | Non-KD febrile (n = 25) | Healthy (n = 25) | P value (KD vs. febrile control) | ||
|---|---|---|---|---|---|
| Responder (n = 45) | Non-responder (n = 5) | ||||
| Age at onset, months, mean (range) | 18.2 (4–42) | 27 (12–55) | 14 (4–48) | 26.1 (12–72) | 0.13 |
| Male sex, n (%) | 25 (55) | 4 (80) | 11 (55.0) | 15 (60.0) | — |
| Fever duration, days, mean ± SD* | 5.5 (3–9) | 9.3 (8–11) | 3.5 (2–5) | — | <0.001 |
| CRP, mg/dL, mean ± SD* | 6.8 ± 5.7* | 4.6 ± 1.1 | 2.8 ± 1.0 | 0.2 ± 0.29 | 0.006 |
| WBC count, /mm3, mean ± SD* | 14,735 ± 3777 | 13300 ± 3874 | 10,835 ± 1521 | 8220 ± 836 | <0.001 |
| Neutrophils, %, mean ± SD | 65.8 ± 14.4 | 61.7 ± 19.8 | 65.9 ± 6.9 | 42.6 ± 5.5 | 0.871 |
| Platelet count, ×104/mm3, mean ± SD* | 37.5 ± 10.5 | 48.7 ± 16 | 26.2 ± 5.3 | 27.7 ± 4.7 | <0.001 |
| Na, mmol/L, mean ± SD* | 134.6 ± 2.4 | 135 ± 1.5 | 136.7 ± 3.0 | 137 ± 3.2 | 0.023 |
| AST, IU/L, mean ± SD | 90 (23–580) | 203 (23–549) | 33.6 ± 11.9 | 36.3 ± 8.4 | 0.095 |
| Maximum RCA (#1), mm, mean (range) | 1.92 (1.4–2.8) | 2.5 (1.8–3.4) | — | — | — |
| Maximum LCA (#5), mm, mean (range) | 2.1 (1.7–2.8) | 2.5 (2.2–4.0) | — | — | — |
KD Kawasaki disease, CRP C-reactive protein, WBC white blood cell, CA coronary artery, RCA right coronary artery, LCA left coronary artery.
*P < 0.05.