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Table 2 Agreement between nevirapine plasma concentration versus medication return and caretaker report

From: Adherence to antiretroviral therapy among HIV infected children measured by caretaker report, medication return, and drug level in Dar Es Salaam, Tanzania

Variables Nevirapine plasma concentration <3 μg/ml Nevirapine plasma concentration ≥3 μg/ml Kappa value P-value
    ( 95%CI*)  
Medication return    
>5% 5 5 0.13(0.007-0.011) 0.002
≤5% 41 249   
Caretaker report    
Missed 1 4 0.01(1–1) 0.77
Not missed 45 250   
  1. *Confidence interval.