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Table 1 Characteristics of the 63 patients who received ddI/d4T (Group 1) versus ZDV/3TC (Group 2) as first-line therapy

From: Five-year follow up of genotypic resistance patterns in HIV-1 subtype C infected patients in Botswana after failure of thymidine analogue-based regimens

 

Group 1

(n = 26)

Group 2

(n = 37)

Age (years)

Median

Interquartile range

35

[24-57]

34

[21-48]

Female sex (%)

61.5

60.7

Baseline nadir CD4 cell count

Median

Interquartile range

96 [2-276]

61

[1-317]

CD4 cell count at failure visit

Median

Interquartile range

334

[41-937]

233

[9-1313]

Log10 HIV-1 RNA at failure visit

Median

Interquartile range

4.2

[2.9-5.33]

4.7

[3.5-5.9]

Total days on antiretroviral therapy at the time of genotype

Median Interquartile range

998

[228-2507]

486

[59-1346]

Total time (days) to non-detectability of viral load (<400 copies/ml) at the time of genotype

Median

Interquartile range

158

[28-1693]

96

[10-1188]

Average number of ARV regimens received by the time of genotype

3*

2.5†

  1. *Group 1 - ARV regimens received by the time of genotyping. ddI/d4T/NVP, ZDV/3TC/EFV, ddI/d4T/NFV; ddI/d4T/NVP, ZDV/3TC/NVP, d4T/3TC/NVP, ABC/ddI/NFV; ddI, ddI/d4T/NVP; ddI/ZDV, ddI/d4T/EFV, ZDV/3TC/NFV; ddI/ZDV/3TC, ZDV/3TC/NVP, ABC/ddI/NFV; ddI/d4T/EFV, ZDV/3TC/EFV, ddI/d4T/NFV; ddI/d4T/NVP, ZDV/3TC/NFV (n = 2); ddI/d4T, ZDV/3TC/NVP, ddI/TDF/LPVr; ddI/d4T/EFV, ZDV/3TC/EFV (n = 3); ddI/ZDV, ZDV/3TC/NVP, ddI/d4T/NFV; ddI/d4T/NVP, ZDV/3TC/NFV, LPVr/SQV; ddI/ZDV/NVP, 3TC/d4T/NFV; ddI/d4T, ZDV/3TC/EFV, ddI/d4T/SQV/RTV; ddI/d4T/NVP, ZDV/3TC/NFV, ZDV/TDF/LPVr; ddI/ZDV/NVP, 3TC/d4T/IDV/RTV; ddI/d4T/EFV, ddI/d4T/NFV; ddI/d4T, ddI/d4T/NVP, ZDV/3TC/EFV; ddI/d4T/NVP, ZDV/3TC/NVP; ddI/d4T, 3TC/ddI, ZDV/3TC/NVP, ZDV/3TC/EFV; ddI/d4T, ZDV/3TC/SQV/RTV, ZDV/3TC/NVP; ddI/d4T/EFV, ZDV/3TC/EFV, ABC/ddI/NFV, ddI/d4T/EFV/LPV; ddI/d4T/EFV, ABC/ddI/NFV, d4T/3TC/EFV; ddI/ZDV/NVP, d4T/3TC/IDV, ddI/d4T/NFV.
  2. †Group 2 - ARV regimens received by the time of genotyping. ZDV/3TC/NVP; ZDV/3TC/NVP, ddI/d4T/NVP, ZDV/3TC/NVP, 3TC/ddI/NFV, 3TC/ABC/ddI/LPV; ZDV/3TC/NVP, ddI/d4T/NFV (n = 13); ZDV/SQV/RTV, ddI/d4T, ddI/d4T/NFV, 3TC/ABC/LPV; ZDV/3TC/EFV, ddI/TDF/LPV; ZDV/3TC/IDV, ZDV/3TC/NVP, ddI/d4T/NVP; ABC/ddI/NVP; 3TC/d4T/NVP, ZDV/ddI/NFV; ZDV/3TC/NVP, ddI/d4T/NFV, ZDV/3TC/LPV; ZDV/3TC/EFV, ddI/d4T/NFV (n = 5); ZDV/3TC/NVP, ddI/d4T/NFV, ABC/SQV/RTV; ZDV/3TC/NVP, ddI/d4T/NFV, ABC/ddI/NFV; ZDV/3TC, SQV/RTV, ddI/d4T/SQV/RTV, ABC/d4T/ddI/LPV, 3TC/ddI/EFV; 3TC/d4T/EFV, ZDV/3TC/NFV; 3TC/d4T/EFV (n = 2); ZDV/3TC/EFV, 3TC/d4T/NVP; ZDV/3TC/EFV, ABC/ddI/NFV; ZDV/3TC/EFV (n = 2); ZDV/3TC, IDV/NVP, 3TC/ABC/d4T, d4T/EFV/IDV/RTV, 3TC/ABC/d4T, 3TC/ABC/d4T/LPV, 3TC/ABC/AZT/LPV.