Table 1.

Characteristics of Those Patients Responding and Not Responding to Single-Dose IVIG

ResponseYes
n = 50
No
n = 15
Age
 Mean3.4 y3.0 y
 Median2.452.25P  = .6
 Range(.3–9.0)(.9–12.0)
10% < 17% < 1
32% = 1–240% = 1–2
58% > 253% > 2
Sex (female/male)25/255/10
Mean d of illness to treatment7.96.9P  = .4
(68% < 7)(73% < 7)
Number of patients treated >10 d into illness81P  = .7
Mean initial CRP12.513.7P  = .9
Range (normal limits < .8)(<.8–25.3)(<.8–24.8)
Initial ESR (normal limits < 20)6464P  = .06
Initial echocardiogram
 Normal3111
 AbnormalPerivascular brightness = 13Perivascular brightness = 2
Enlarged coronary = 5Giant aneurysm with thrombosus = 1
Decrease LV contractility = 1Perivascular brightness and decrease LV
contractility = 1
  • LV indicates left ventricle.