Table 5.

Added Value of Human Immunodeficiency Virus–Related Disease Severity and NAT2 Acetylator Status

Metric	Antiretroviral Therapy Experienced	CD4 <200	Viral Load ≥200	NAT2
LR test P value	.03	.81	.47	.88
Net reclassification index	0.24	<0.01	0.16	0.13
Integrated discrimination improvement	0.01	<0.01	<0.01	<0.01
Fraction of new information based on comparison of model LRs	0.03	<0.01	<0.01	<0.01
Fraction of new information based on ratio of the variances explained by the models	0.03	<0.01	<0.01	<0.01
Fraction of new information based on variance of predicted risk to the sum of the variance of predicted risk and the average risk	0.03	<0.01	<0.01	<0.01

Abbreviation: LR, likelihood ratio.