TABLE III.

Baseline Characteristics of Therapy Responders (12-month Post-operative AHI <5, n = 9) Compared to Therapy Non-responders (12-month Post-operative AHI ≥5, n = 11).

Characteristic	Therapy Responders, n = 9 (95% CI)	Therapy Non-responders, n = 11 (95% CI)	P Value
Male gender	66.7% (28.2–100%)	63.6% (29.7–97.5%)	.895
Age	15.2 (12.5–17.9)	15.6 (13.6–17.7)	.785
Body-mass index percentile	78.7% (61.8–95.5%)	69.2% (46.0–92.3%)	.964
Baseline caregiver-reported scores
Epworth sleepiness Scale	10.3 (4.5–16.2)	7.6 (4.0–11.3)	.387
OSA-18 survey Score	3.4 (2.2–4.5)	3.5 (2.8–4.3)	.800
Baseline polysomnogram
AHI	26.8 (22.0–31.7)	22.1 (18.9–28.3)	.188
Obstructive AHI	24.2 (19.0–29.3)	19.9 (13.9–25.9)	.256
Central apnea index	2.6 (0.7–4.6)	2.2 (1.2–3.2)	.651
Hypopnea proportion*	67.0% (47.2–86.9%)	70.7% (53.8–87.7%)	.655
Supine AHI*	37.6 (12.2–63.0)	23.4 (13.0–33.8)	.231
Percentage of time SpO2 < 90%*	0.5% (0–1.3%)	5.5% (0–13.7%)	.235
Sleep efficiency	80.3% (72.1–88.5%)	67.3% (56.4–78.2%)	.055
REM percentage	12.2% (6.7–8.7%)	13.6% (8.3–19.0%)	.672

AHI = apnea-hypopnea Index; OSA-18 = Obstructive Sleep Apnea-18; REM = rapid eye movement; SpO2 = oxygen saturation.

^*Missing for 1 patient.