AIDS Research and Therapy

Table 2 Comparison of Quasi-Poisson and negative binomial using information criteria

From: Quasi-Poisson versus negative binomial regression models in identifying factors affecting initial CD4 cell count change due to antiretroviral therapy administered to HIV-positive adults in North–West Ethiopia (Amhara region)

Criteria	Quasi-Poisson			Negative-binomial
Criteria	Value	d.f	Vale/d.f.	Value	d.f	Vale/d.f.
Deviance	1090.457	73	1.411	869.625	73	1.128
Pearson Chi-square	1152.646	73	1.491	926.054	73	1.198
Log likelihood	−2158.747			−2657.877
AIC	4355.493			5353.755
BIC	4444.310			5442.571

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ISSN: 1742-6405

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