Table 4. Correlation between anthropometric indices and lung function in girls.

Variables	Period 1				Period 2
	Correlation coefficient with FVC	P value	Correlation coefficient with FEV1	P value	Correlation coefficient with FVC	P value	Correlation coefficient with FEV1	P value
Age, years	0.736	<0.001	0.724	<0.001	0.496	<0.001	0.542	<0.001
Weight, kg	0.874	<0.001	0.849	<0.001	0.454	<0.001	0.440	<0.001
Height, cm	0.907	<0.001	0.898	<0.001	0.682	<0.001	0.710	<0.001
BMI, kg/m2	0.606	<0.001	0.567	<0.001	0.169	0.003	0.141	0.0123

BMI, body mass index; FVC, forced vital capacity; FEV₁, forced expiratory volume in the first second.