Table 3.

Factors associated with the alleviation of OSA.

Indicators	△AHI	△mean SaO2	△minimum SaO2	△CT90%
△BMI (kg/m2)	0.208	0.061	− 0.030	0.397*
△NC (cm)	0.069	− 0.022	0.217	− 0.192
△WC (cm)	0.134	0.115	− 0.206	0.326*
△HC (cm)	0.224	− 0.071	− 0.356*	0.244
△WC/△HC	− 0.090	0.309	0.104	0.153
△FPG (mmol/L)	− 0.024	− 0.050	0.260	− 0.134
△Fasting insulin (mU/L)	0.012	− 0.074	0.083	0.123
△HOMA-IR	− 0.045	− 0.105	0.226	− 0.034
△ESS	0.540**	− 0.366*	− 0.388*	0.545**
△Total cholesterol (mmol/L)	0.053	− 0.419*	− 0.208	0.356*
△Triglyceride (mmol/L)	0.267	− 0.051	− 0.218	0.124
△High-density lipoprotein (mmol/L)	0.026	0.188	− 0.143	− 0.027
△Low-density lipoprotein (mmol/L)	− 0.052	− 0.304	0.072	0.056
△VFA (cm2)	0.241	− 0.076	− 0.225	0.430**
△SFA (cm2)	− 0.047	0.093	0.154	0.019
△TFA (cm2)	0.096	0.040	0.028	0.222
△Betatrophin (ng/mL)	0.421**	− 0.218	− 0.468**	0.102

OSA obstructive sleep apnea, AHI apnea hypopnea index, SaO₂ oxygen saturation, CT90% percentage of time spent at SaO₂ < 90%, BMI body mass index, NC neck circumference, WC waist circumference, HC hip circumference, FPG fasting plasma glucose, HOMA-IR homeostasis model assessment of insulin resistance, ESS Epworth sleepiness scale, VFA visceral fat area, SFA subcutaneous fat area, TFA total fat area.

*p < 0.05.

**p < 0.01.