The Rise of IGFBP4 in People with Obstructive Sleep Apnea and Multilevel Sleep Surgery Recovers Its Basal Levels

Table 3

Multivariate stepwise linear regression analysis for IGFBP4 predictors.

Variables	OSA group		All population
		value		value
AHI	0.575	0.001	0.501	0.037
HbA1c	0.390	0.007	0.126	0.093
O2 saturation	-0.417	0.021	-0.091	0.299

The following variables were included: age, gender, BMI, ESS, WBC, insulin, AHI, O₂ saturation, and HbA1c.