TABLE 6.

Univariate and multivariate linear regression analyses of AHI association with CPET parameters.

Items	Univariate model					Multivariate model
	B	95%CI	R 2	t	p	B	95%CI	Adj.R 2	t	p
VO2AT%Pred (%)	−5.301	(-8.146,-2.457)	0.109	−3.693	<0.001	−5.292	(-8,216,-2.367)	0.143	−3.587	0.001
VO2AT/kg (mL/min/kg)	−1.681	(-2.678,-0.685)	0.091	−3.343	0.001	−1.661	(-2.715,-0.606)	0.074	−3.122	0.002
VO2peak%Pred (%)	−6.063	(-9.264, −2.861)	0.112	−3.752	<0.001	−5.956	(-9.272, −2.639)	0.133	−3.560	0.001
HRmax (beat/min)	−9.970	(-13.720, −6.221)	0.199	−5.269	<0.001	−8.481	(-12.297, −4.664)	0.245	−4.406	<0.001
HRmax%Pred (%)	−4.209	(-6.364, −2.055)	0.118	−3.870	<0.001	−3.950	(-6.237, −1.662)	0.096	−3.423	0.001
VO2/HRmaxPred (%)	−6.898	(-10.878, −2.917)	0.095	−3.433	0.001	−6.748	(-10.873, −2.623)	0.117	−3.423	0.002
WRmax%Pred (%)	−6.742	(-9.778, −3.705)	0.147	−4.399	<0.001	−6.121	(-9.222, −3.020)	0.191	−3.914	<0.001
VEmax%Pred (%)	−7.793	(-11.734, −3.852)	0.121	−3.918	<0.001	−7.307	(-11.435, −3.179)	0.123	−3.510	0.001