Table 4.

Stepwise regression analysis coefficients

	Regression Model	Coefficients (Nonstandardized) ± SD	95% CI	Significance (P)
FMD	FMD = a × Hct + b × CRP + k	a = −0.84 ± 0.21b = −1.54 ± 0.45k = 50.17 ± 9.30	(−1.27, −0.42) (−2.45, −0.62) (31.07, 69.28)	<0.0001 0.002 <0.0001
PWV	PWV = a × age + b × ASC + k	A = 0.12 ± 0.039b = −1.18 ± 0.53k = 5.22 ± 1.16	(0.038, 0.20) (−2.26, −0.09) (2.85, 7.60)	0.005 0.035 <0.0001
BHI	BHI = a × Hct + b × age + c × BMI + d × DBP	a = −0.018 ± 0.004b = −0.014 ± 0.004c = 0.017 ± 0.006d = −0.004 ± 0.002	(−0.027, −0.010) (−0.021, −0.007) (0.004, 0.030) (−0.008, 0)	<0.0001 0.0010.0110.045
ΔBHI	ΔBHI = a × BMI + k	A = 0.008 ± 0.004k = −0.206 ± 0.087	(0, 0.016) (−0.39, −0.027)	0.0390.025

ASC, adaptor protein of the NLRP3 inflammasome; BHI, breat-hold index; BMI, body mass index; CRP, C-reactive protein; DBP, diastolic blood pressure; FMD, flow-mediated dilation; hct, hematocrit; PWV, pulse wave velocity.