Baseline of visceral fat area and decreased body weight correlate with improved pulmonary function after Roux-en-Y Gastric Bypass in Chinese obese patients with BMI 28–35 kg/m2 and Type 2 diabetes: a 6-month follow-up

Table 2 Anthropometric and biochemical parameters showing significant correlations with changes in FEV1, FEV1(%pred), FVC, FVC (%pred)

	ΔFEV1		ΔFEV1 (%pred)		ΔFVC		ΔFVC (%pred)
	Univariate^a		Univariate^a		Univariate^a		Univariate^a
	r	P	r	P	r	P	r	P
ΔWeight (kg)	−0.493**	0.005	−0.620**	<0.0001	−0.522**	0.003	−0.574**	0.001
ΔBMI (kg/m²)	−0.354	0.051	−0.528**	0.002	−0.440*	0.013	−0.533**	0.002
ΔVFA (cm²)	−0.632**	<0.0001	−0.435*	0.015	−0.537**	0.002	−0.331	0.069
ΔSFA (cm²)	−0.039	0.836	−0.184	0.321	−0.046	0.808	−0.156	0.401
ΔTC (mmol/L)	0.217	0.242	0.115	0.539	0.058	0.757	−0.003	0.987
ΔTG (mmol/L)	−0.328	0.071	−0.208	0.261	−0.364*	0.044	−0.243	0.188
ΔHDL-c (mmol/L)	0.362*	0.045	0.116	0.535	0.069	0.711	0.123	0.510
ΔLDL-c (mmol/L)	0.306	0.094	0.165	0.374	0.236	0.202	−0.120	0.513
Weight (kg) V1	−0.462**	0.008	−0.398*	0.024	−0.381*	0.031	−0.320	0.074
BMI (kg/m²) V1	−0.280	0.121	−0.343	0.054	−0.333	0.062	−0.370*	0.037
VFA (cm²) V1	−0.642**	0.000	−0.439*	0.012	−0.534**	0.002	−0.336	0.060
SFA (cm²) V1	0.041	0.823	−0.029	0.876	0.021	0.909	−0.051	0.781
TC (mmol/L) V1	0.138	0.450	0.062	0.736	0.170	0.353	0.098	0.593
TG (mmol/L) V1	−0.191	0.295	−0.094	0.609	−0.183	0.315	−0.111	0.546
HDL-c (mmol/L) V1	0.342	0.055	0.096	0.601	0.278	0.124	0.067	0.717
LDL-c (mmol/L) V1	0.224	0.217	0.132	0.471	0.245	0.176	0.165	0.366

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