TABLE 4.

Final model for prediction of V₁ by a general linear model procedure^a

Covariate	Coefficient	Standard error	Significanceb	r2
Constant	72.096			0.132
Age (yr)	−0.332	0.124	0.008
Gender
Male	6.482	8.067	0.008
Female	−6.482	8.434
Race
Caucasian	10.027	2.944	0.022
Black	−3.421	4.892
Hispanic	−10.45	7.431
Other	3.844	30.121

^aData are for 172 patients. 

^bP values were obtained by analysis of variance.