Table 1 Clinical characteristics of pediatric untreated acute and IVIG-treated subacute and convalescent KD subjects and healthy and febrile controls
Characteristic | Acute KD 2–10 days (n = 75) | Subacute KD 13–24 days (n = 36) | Early Convalescent KD 25–75 days (n = 43) | Late Convalescent KD 9–49 months (n = 20) | Acute Febrile Controls Bacterial origin (n = 12) | Acute Febrile Controls Viral origin (n = 36) | Healthy Controls (n = 48) |
|---|---|---|---|---|---|---|---|
Male, n (%) | 39 (52) | 20 (56) | 26 (60) | 11 (55) | 10 (83) | 21 (58) | – |
Age, years | 3.6 (1.8–5.0) | 2.9 (1.7–4.6) | 3.1 (1.7–4.5) | 8.0 (6.7–9.2) | 6.2 (4.7–8.2) | 2.8 (1.6–5.3) | 4.7 (3.0–6.6) |
Illness day/month | 6.0 d (4.5–7.0) | 19 d (16–21) | 48 d (34–55) | 16 m (14–29) | 3.5 d (3.0–4.3) | 6.0 d (4.0–6.3) | – |
Median lab values | |||||||
 WBC, ×103/μL | 13.7 (10.6–17.3) | 7.3 (6.8–9.0) | 7.4 (6.0–8.5) | – | 12.4 (10.1–14.5)# | 8.7 (6.3–11.5)# | – |
 PMN, % | 56 (45–66) | 37 (26–50) | 37 (27–42) | – | 62 (46–70) | 40 (23–54) | – |
 ANC, cells/μL | 9646 (6693–12,131) | 3025 (1953–3950) | 2516 (1823–3525) | – | 7014 (5565–9444) | 3408 (2071–6764) | – |
 ESR, mm/h | 61 (47–75) | 37 (31–57) | 17 (9–31) | – | 31 (22–40)# | 30 (17–39)# | – |
 CRP, mg/dL | 7.4 (4.7–16.7) | 0.3 (0.3–0.8) | 0.3 (0.3–0.3) | – | 2.2 (1.0–8.6)# | 4.1 (2.2–5.0)# | – |
 GlycA, μmol/L | 808 (693–919) | 440 (382–512) | 309 (272–377) | 341 (319–395) | 595 (571–745) | 611 (551–702) | 319 (290–354) |