Table 1.
Baseline characteristics for children with and without POSA.
| Non-POSA (n = 18) | POSA (n = 25) | P | |
|---|---|---|---|
| Age, years | 13.9 ± 2.8 | 14.6 ± 2.3 | .41 |
| Male sex, n (%) | 14 (78) | 17 (68) | .48 |
| Height, cm | 162.5 ± 14.7 | 167.5 ± 11.2 | .23 |
| Weight, kg | 102.6 ± 32.4 | 106.7 ± 27.2 | .67 |
| BMI z score | 2.6 ± 0.3 | 2.4 ± 0.3 | .26 |
| Neck circumference, cm | 39.0 ± 6.9 | 38.9 ± 6.7 | .98 |
| Waist circumference, cm | 110.3 ± 16.0 | 112.9 ± 18.5 | .64 |
| Hip circumference, cm | 117.5 ± 15.9 | 120.5 ± 15.9 | .56 |
| Waist to height ratio | 0.68 ± 0.07 | 0.67 ± 0.09 | .80 |
| Neck to waist ratio | 0.35 ± 0.04 | 0.35 ± 0.03 | .75 |
| Neck to height ratio | 0.24 ± 0.03 | 0.23 ± 0.03 | .44 |
| Snoring, n (%) | 15 (83) | 23 (92) | .38 |
| Tonsillar hypertrophy, n (%) | 3 (17) | 10 (40) | .22 |
| Adenoid hypertrophy, n (%) | 11 (61) | 13 (52) | .09 |
| Previous adenotonsillectomy, n (%) | 6 (33) | 8 (32) | .93 |
Data are presented as mean ± SD unless otherwise indicated. P values were calculated using χ2 analysis for categorical variables and independent-samples t tests adjusted for unequal variance for continuous variables. BMI = body mass index; POSA = positional obstructive sleep apnea.