TABLE 1.
Demographic Data
| African American (N = 34) | Caucasian (N = 160) | P | |
|---|---|---|---|
| Age, y, median (IQR) | 8.75 (6.96 to 10.69) | 8.34 (7.15 to 11.04) | .67 |
| Weight, kg, median (IQR) | 35.25 (24.85 to 54.30) | 35.40 (25.90 to 46.80) | .72 |
| BMI z score, median (IQR) | 1.27 (0.07 to 2.06) | 0.90 (−0.15 to 1.63) | .26 |
| BMI percentile, median (IQR) | 89.75 (52.60 to 98.01) | 81.67 (43.98 to 94.83) | .26 |
| Gender, N (%) | |||
| Boy | 14 (41) | 77 (48) | .46 |
| OSA, N (%) | |||
| Yes | 25 (74) | 69 (43) | .001 |
BMI z score and percentile were calculated by using the Centers for Disease Control and Prevention growth charts. Differences in continuous data were tested by using the Wilcoxon rank sum test. Differences in proportions were tested by using the χ2 test.