Table 4

correlation coefficient and Bland-Altman analysis of VFA measured by CT and BIA

	n	CT-BIA VFA (cm²)	P value	ICC	95% LOA
Overall	157	12.45±36.13	–	0.675	−58.36 to 83.26
Female	48	5.04±31.57	0.088	0.659	−56.84 to 66.92
Male	109	15.71±37.64	0.088	0.683	−58.06 to 89.48
BMI >24 kg/m²	66	25.50±31.00	0.000*	0.392	−35.26 to 86.26
BMI ≤24 kg/m²	91	2.99±36.78	0.000*	0.580	−69.10 to 75.08
Age ≤60 years	66	11.83±33.45	0.855	0.668	−53.73 to 77.39
Age >60 years	91	12.90±38.13	0.855	0.678	−61.83 to 87.63
Stage I	48	14.28±36.32	0.424	0.677	−56.91 to 85.47
Stage II	31	9.73±30.23		0.631	−49.25 to 68.98
Stage III	49	17.51±34.83		0.704	−50.76 to 85.78
Stage IV	29	3.77±43.15		0.670	−80.80 to 88.34

P value for comparison of CT-BIA VFA between subgroups by independent t-test.
*indicated for p<0.05.
BIA, bioelectrical impedance analysis; BMI, body mass index; ICC, intraclass correlation coefficient; 95% LOA, 95% limits of agreement; VFA, visceral fat area.