Characteristic | Distributionband frequencycof net charge of V3 loop | ||||||||
---|---|---|---|---|---|---|---|---|---|
Groups | tropism | Na | Mean ± Std | 2(%) | 3(%) | 4(%) | 5(%) | 6(%) | 7(%) |
Drug-naïve | R5 | 66 | 3.91 ± 1.05 | 3(3.7) | 22(27.2) | 25(37.9) | 12(18.2) | 2(3.0) | 2(3.0) |
X4/R5 | 15 | 4.53 ± 0.74 | 0 | 9(60.0) | 4(26. 7) | 2(13.3) | 0 | ||
ART | R5 | 20 | 3.75 ± 1.21 | 1(5.0) | 7(35.0) | 7(35.0) | 3(15.0) | 2(10.0) | 0 |
X4/R5 | 22 | 4.86 ± 1.25 | 1(4.6) | 3(13.6) | 5(22.7) | 4(18.2) | 7(31.8) | 2(9.1) |