Table 1.
Prevalence of Drug Resistance Mutations
| Virus subtype | ||||
|---|---|---|---|---|
| Mutations | B′ | Non-B′ | Total | Incidence (%) |
| PIs | ||||
| Major resistance mutations | ||||
| V82A | 1 | 1 | 1.0 | |
| Minor resistance mutations | ||||
| I47M | 2 | 2 | 2.0 | |
| A71T/V | 31 | 2 | 33 | 33.7 |
| NRTIs | ||||
| M41L | 1 | 1 | 1.0 | |
| K65R | 1 | 1 | 1.0 | |
| D67N | 2 | 2 | 2.0 | |
| K70R | 1 | 1 | 1.0 | |
| M184I | 2 | 2 | 2.0 | |
| L210W | 1 | 1 | 1.0 | |
| T215F/Y | 2 | 2 | 2.0 | |
| K219E | 1 | 1 | 1.0 | |
| NNRTIs | ||||
| K103N/S | 5 | 5 | 5.1 | |
| V106A | 1 | 1 | 1.0 | |
| V179D | 1 | 2 | 3 | 3.1 |
| Y188F/L | 2 | 2 | 2.0 | |
| G190A | 1 | 1 | 1.0 | |
| K238T | 1 | 1 | 1.0 | |
| N348I | 1 | 1 | 1.0 | |
| INIs | ||||
| Minor resistance mutations | ||||
| L68V/I/IM/LV | 40 | 40 | 40.8 | |
| T97A | 1 | 1 | 1.0 | |
| G163R | 1 | 1 | 1.0 | |
Drug resistance mutations potentially conferring resistance to PIs, protease inhibitors; NRTIs, nucleoside reverse transcriptase inhibitors; NNRTIs, nonnucleoside reverse transcriptase inhibitors; INIs, integrase inhibitors.