[Retracted] An Exploratory Study on the Treatment of Obstructive Apnea-Hypopnea Syndrome by Nasal Cavity Expansion

Table 8

Comparison of AHI and LSaO₂ of patients before and after surgery.

Grouping	Check index	Before surgery	After surgery	t	P
Mild	AHI	10.8 ± 2.7	6.3 ± 2.34	6.92	<0.001
	LSaO2	76.4 ± 2.6	82.0 ± 2.80	−12.45	<0.001
Moderate	AHI	24.4 ± 4.4	17.4 ± 6.51	6.03	<0.001
	LSaO2	70.9 ± 3.2	73.9 ± 3.29	−8.88	<0.001
Severe	AHI	055.4 ± 14.5	53.4 ± .19.8	0.81	0.436
	LSaO2	65.9 ± 4.62	66.9 ± 3.30	−1.33	0.210