Table 1: Baseline characteristics of patients.
Patients characteristics at switch from TDF/FTC plus ATV/t to ABC/3TC plus ATV/r (n=126)
Quantitative Variables
     • Median age, years (IQR) 47 (43-55)
     • Median CD4+T cell count (IQR) 426/mm3 (260-620)
Qualitative Variables, n (%)
Gender
     • Males 101 (80)
     • Females 25 (20)
Risk factors for HIV infection
     • IVDU 38 (30)
     • Homosexual/bisexual 22 (17)
     • Heterosexual 44 (35)
     • Heterosexual+IVDU 11 (9)
     • Other 11 (9)
Co-infections
     • HBV and/or HCV co-infected 56 (44)
     • Not co-infected/unknown 70 (56)
HIV RNA*
     • Detectable 26 (21)
     • Undetectable 100 (79)
Line of previous regimen
     • First line 20 (16)
     • ≥ Second line 106 (84)

n: number, IQR: interquartile range, IVDU: intravenous drug user
* Undetectable HIV RNA: <50 copies/ml