The associations between body composition and vital capacity index of medical students in Shenyang of China: a cross-sectional survey

Table 1 Characteristics of the participants

Characteristic	Total (2063)	Male (717)	Female (1346)	P value
Age (years)	20.398 ± 1.264	20.515 ± 1.248	20.337 ± 1.269	0.002
Height (cm)	167.182 ± 8.039	175.061 ± 6.027	162.985 ± 5.387	< 0.001
Weight (Kg)	61.412 ± 12.786	70.292 ± 13.406	56.682 ± 9.515	< 0.001
BMI (Kg/m²)	21.867 ± 3.597	22.896 ± 3.937	21.319 ± 3.273	< 0.001
FM (Kg)	14.831 ± 5.877	12.960 ± 6.099	15.828 ± 5.504	< 0.001
FFM (Kg)	46.584 ± 9.945	57.332 ± 8.115	40.859 ± 4.709	< 0.001
PM (Kg)	9.573 ± 2.071	11.810 ± 1.691	8.381 ± 0.982	< 0.001
TBW (Kg)	33.941 ± 7.339	41.873 ± 5.989	29.715 ± 3.474	< 0.001
MM (Kg)	3.070 ± 0.534	3.648 ± 0.436	2.763 ± 0.253	< 0.001
VC (ml)	3843.482 ± 1005.305	4883.842 ± 775.702	3289.293 ± 587.144	< 0.001
VCI (ml/kg)	63.811 ± 12.972	71.783 ± 12.494	59.564 ± 11.089	< 0.001

BMI Body mass index, FM Fat mass, FFM Fat-free mass, PM Protein mass, TBW Total body water, MM Mineral mass, VC Vital capacity, VCI Vital capacity index

ISSN: 1471-2466