Patient characteristics at initiation of ART.

<p>ART, antiretroviral treatment; LTF, Lost to follow-up; IQR, interquartile range; PMTCT, prevention of mother to child transmission; TB, tuberculosis; AZT, zidovudine; 3TC, lamivudine; NVP, nevirapine; D4T, stavudine; EFV, efavirenz. </p><p>* All patients not lost to follow-up, including deaths occurring within 3 months after loss to follow-up;</p><p>** Patients lost to follow-up with available civil identification number who were alive 3 months after being lost.