TABLE 1.

Demographic and polysomnography data of enrolled subjects (n=35)

Age, years	11.0 (4.0–17.0)
Male:female, n:n	22:13
Weight, kg	43 (17.0–145.0)
Height, cm	145 (54.0–181.0)
Body mass index, kg/m2	18.1 (14.5–42.5)
Body mass index z-score	0.67 (−2.3 to +3.8)
History of snoring, n (%)	24 (69)
Sleep efficiency, %	86.8 (58.7–96.1)
Mean SaO2, %	97 (89–99)
Minimum SaO2, %	93 (74–96)
Highest tcCO2/etCO2, mmHg	43 (37–55)
PSG, obstructive apnea-hypopnea index	0.9 (0.1–45.8)
PSG, central apnea index	0.1 (0.0–9.7)
PSG, apnea-hypopnea index	1.2 (0.0–50.8)
PSS-AL (manual scoring), apnea-hypopnea index	6.0 (1.0–48)
PSS-AL (automated scoring), apnea-hypopnea index	8.0 (1.0–25)

Data presented as median (range) unless otherwise indicated. etCO₂ End-tidal carbon dioxide; PSG Polysomnography; PSS-AL Portable sleep study-ApneaLink (ResMed, USA); SaO₂ Oxygen saturation; tcCO₂ Transcutaneous carbon dioxide