| IVMP(n = 44) | Additional IVIG(n = 19) | p Value | |
| Sex (male/female) | 23/21 | 11/8 | 0.682† |
| Age (months) | 31.3 (23.8) | 28.1 (21.0) | 0.539‡ |
| White blood cell count (×104/mm3) | 14.0 (4.6) | 15.2 (3.7) | 0.092† |
| CRP (mg/dl) | 10.1 (4.7) | 11.5 (4.8) | 0.105‡ |
| Harada’s score* | 4.7 (1.1) | 4.4 (0.8) | 0.630‡ |
| IVMP-resistant(n = 10) | Additional-IVIG-resistant(n = 7) | p Value | |
| Sex (male/female) | 6/4 | 4/3 | 0.906† |
| Age (months) | 24.4 (25.5) | 25.7 (18.1) | 0.254‡ |
| White blood cell count (×104/mm3) | 14.0 (3.4) | 17.1 (4.1) | 0.081‡ |
| CRP (mg/dl) | 11.8 (3.5) | 8.8 (4.8) | 0.048‡ |
| Harada’s score* | 5.1 (0.88) | 4.1 (0.69) | 0.034‡ |
Values are mean (SD). p<0.05 was considered significant.
*Harada’s score is a risk score of cardiac complications, commonly used in Japan.
†χ2 test.
‡Mann–Whitney U test.
CRP, C-reactive protein; IVIG, intravenous immunoglobulin; IVMP, intravenous methylprednisolone.