Predictive Equations for Adult Pulmonary Function in Zhejiang Province, China

Table 4

Predictive equations of lung function.

	Regression equations	R^2	Adjusted R^2
Male
FVC	−2.929–0.024A + 0.047H	0.583	0.582
FEV1	−2.127–0.026A + 0.04H	0.626	0.625
FEV1/FVC	85.76–0.156A-0.132H + 0.083W	0.173	0.170
PEF	−3.994−0.034A + 0.083 H	0.216	0.214
MMEF	−0.366–0.039A + 0.041 H	0.297	0.296
DLCO	3.116–0.045A + 0.031H + 0.054W	0.049	0.045
Female
FVC	−2.913–0.017A + 0.039H + 0.005W	0.548	0.547
FEV1	−2.192–0.019A + 0.035H	0.589	0.588
FEV1/FVC	92.573–0.151A	0.022	0.021
PEF	−0.799–0.028A + 0.044H + 0.021W	0.193	0.191
MMEF	0.547–0.032A + 0.028H	0.315	0.314
DLCO	−4.343–0.03A + 0.055H + 0.068W	0.036	0.033

A, age; H, height; W, weight.