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Percentage drug resistance for nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs)
| Resistance level (%) |
Low | Intermediate | High | Susceptible |
|---|---|---|---|---|
| Lamivudine | 4.8 | 0 | 95.2 | 0 |
| Abacavir | 47.6 | 9.5 | 42.9 | 0 |
| Zidovudine | 4.8 | 0 | 42.9 | 52.4 |
| Stavudine | 9.5 | 0 | 42.9 | 47.6 |
| Didanosine | 47.6 | 9.5 | 42.9 | 0 |
| Emtricitabine | 4.8 | 0 | 95.2 | 0 |
| Tenofovir | 9.5 | 14.6 | 28.6 | 47.6 |
