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Table 2 Effect of covariate inclusion on the OFV for the atazanavir in hair model

From: A population pharmacokinetic model is beneficial in quantifying hair concentrations of ritonavir-boosted atazanavir: a study of HIV-infected Zimbabwean adolescents

Model OFV ΔOFV Cummulative ΔOFV Cummulative D.F
Baseline 268.6
Baseline+Occassion 220.8 47.8 47.8 1
Baseline+Occasion+Adherence 202.4 18.4 66.2 2
Baseline+Occasion+ Adherence +BMI 194.9 7.5 73.7 4
Baseline+Occasion+ Adherence VAS + BMI + Guardian 180.9 14.0 87.7 7