Table 2

Patients’ characteristics of the ART long-term cohort patients at the time of ART initiation, stratified by enrolment in the previous research cohort

Patients’ characteristicsResearch cohort, n=345 (34.5%)Clinic patients, n=655 (65.5%)Overall, n=1000p Value
Sex, female, n (%)242 (70.1)377 (57.6)619 (61.9)<0.001
Age in years, median (IQR)35 (30–40)36 (31–41)36 (31–41)0.008
WHO stages 3 and 4310 (89.7)476 (72.9)786 (78.8)<0.001
BMI (kg/m2), median (IQR)20.3 (18.4–22.7)20.5 (18.8–22.7)20.3 (18.7–22.7)0.109
Hb (g/dL), median (IQR)11.8 (10.5–13.0)11.4 (10.1–12.9)11.6 (10.3–12.9)0.026
CD4 count (cells/µL), median (IQR)102 (30–168)66 (24–144)81 (26–155)0.004
HIV RNA log10 (copies/mL), median (IQR)5.44 (5.08–5.74)NA5.4 (5.08–5.74)
ART regimen*0.010
 Nevirapine254 (73.6)548 (83.8)802 (80.3)
 Efavirenz91 (26.4)106 (16.2)197 (19.7)
  • *Nevirapine based (nevirapine+stavudine+lavidune); efavirenz based (efavirenz+zidovudine+lamivudine).

  • All comparisons made using Pearson χ2 test and Wilcoxon rank sum test.

  • ART, antiretroviral treatment; BMI, body mass index; Hb, haemoglobin; NA, not applicable.