Table 1. Baseline Patient Characteristics.
| Patient Characteristic | No./Total No. (%) (N = 464) |
|---|---|
| Age, median (IQR), y | 3.3 (1.8-5.4) |
| Male | 264/464 (56.9) |
| Race | |
| White | 319/464 (68.8) |
| Black | 42/464 (9.1) |
| Asiana | 67/464 (14.4) |
| Otherb | 26/464 (5.6) |
| Unknown/not reported | 10/464 (2.2) |
| Hispanic ethnicity, No. (%) | 71/464 (15.3) |
| Days of fever, median (IQR) (n = 448) | 6 (5-8) |
| Clinical criteriac | |
| ≤3 | 63/414 (15.2) |
| 4 | 228/414 (55.1) |
| 5 | 123/414 (29.7) |
| Treated with IVIG | 464/464 (100) |
| Day of illness on which IVIG was given, median (IQR) | 6 (5-8) |
| Retreated with IVIGd | 66/464 (14.2) |
Abbreviations: IQR, interquartile range; IVIG, intravenous immunoglobulin.
a
Includes patients recorded as Asian and patients in the category of more than 1 race if the reported races included Asian.
b
Includes patients described as other and patients in the category of more than 1 race if the reported races did not include Asian.
c
Data are missing for some clinical criteria for 50 patients; therefore, only the 414 (89.2%) with complete data are included in these categories.
d
For 1 patient in the cohort, IVIG treatment or the lack thereof was not documented.