Table 1.
Variables analyzed in the OSAS children included in the study.
| Variables | Total Cohort (n = 65) | |
|---|---|---|
| Males, n (%) | 43 (66.2) | |
| Median (IQR) age at diagnosis, years | 4 (4–6) | |
| Median (IQR) weight, kg | 17 (15–20) | |
| Mean (SD) height, cm | 107 (11.7) | |
| Median (IQR) BMI z-score | −0.27 (−1.18; 0.32) | |
| Median (IQR) BMI, kg/m2 | 15.4 (14.2–16.6) | |
| Median (IQR) pre-operative AHI, events/h | 13.4 (8.3–18.5) | |
| Severity levels of OSAS | Mild OSAS (AHI < 5) | 4 (6.2) |
| Moderate OSAS (AHI 5–9.9) | 16 (24.6) | |
| Severe OSAS (AHI ≥ 10) | 45 (69.2) | |
| Mean (SD) post-operative AHI, events/h | 2.4 (0.9) | |
| Post-operative AHI ≥ 3, n (%) | 18 (27.7) | |
| Tonsil size grading III–IV, n (%) | 51 (78.5) | |
| Friedman palate position III–IV, n (%) | 26 (40.0) | |
| Median (IQR) pre-operative SpO2 nadir, % | 89 (84–92) | |
| Median (IQR) post-operative SpO2 nadir, % | 94 (93–95) | |
| Oral breathing, n (%) | 53 (81.5) | |
| Nasal airway patency, n (%) | 55 (84.6) | |
| Snoring, n (%) | 61 (93.9) | |
| Allergen sensitization, n (%) | 13 (20.0) | |
| Asthma, n (%) | 5 (7.7) | |
| Rhinitis, n (%) | 24 (36.9) | |
| Median (IQR) pre-operative OSA-18 | 84 (76–91) | |
| Median (IQR) post-operative OSA-18 | 33 (26–44) | |
BMI: Body Mass Index. AHI: Apnea–Hypopnea Index. IQR: interquartile range.