Table 3. Analysis of impact factors for drug resistance in 2011.
| Variables | Drug resistance | OR value | OR value 95% CI | χ2 value | P value | |
|---|---|---|---|---|---|---|
| Yes | No | |||||
| Age (years) | ||||||
| <30 | 6 | 90 | 1.000 | 4.421 | 0.219 | |
| 30- | 5 | 219 | 0.342 | 0.102–1.151 | ||
| 40- | 5 | 191 | 0.393 | 0.117–1.321 | ||
| 50- | 5 | 87 | 0.862 | 0.254–2.928 | ||
| Gender | ||||||
| Male | 15 | 381 | 1.000 | 0.38 | 0.538 | |
| Female | 6 | 206 | 0.740 | 0.283–1.936 | ||
| Ethnicity | ||||||
| Han | 20 | 531 | 1.000 | 0.128 | 0.721 | |
| Other | 1 | 56 | 0.474 | 0.062–3.600 | ||
| Marital status | ||||||
| Single | 4 | 100 | 1.000 | 3.265 | 0.353 | |
| Married | 11 | 380 | 0.724 | 0.226–2.321 | ||
| Divorced or widowed | 4 | 64 | 1.064 | 0.259–4.376 | ||
| Other | 2 | 13 | 3.846 | 0.64–23.107 | ||
| Educational level | ||||||
| Illiterate | 8 | 123 | 1.000 | 11.247 | 0.024 | |
| Elementary | 6 | 108 | 0.854 | 0.287–2.540 | ||
| Junior high school | 6 | 182 | 0.507 | 0.172–1.497 | ||
| Senior high school and secondary school | 1 | 89 | 0.173 | 0.021–1.406 | ||
| College and above | 0 | 85 | 0.000 | 0 | ||
| Route of infection | ||||||
| Blood transfusion | 3 | 53 | 1.000 | 3.05 | 0.692 | |
| Plasmapheresis | 5 | 103 | 0.858 | 0.197–3.727 | ||
| Illegal drug injection | 1 | 12 | 1.472 | 0.141–15.411 | ||
| Homosexual transmission | 3 | 124 | 0.427 | 0.084–2.187 | ||
| Heterosexual transmission | 7 | 262 | 0.472 | 0.118–1.884 | ||
| Unknown | 2 | 33 | 1.071 | 0.170–6.750 | ||
| Duration of treatment (year) | ||||||
| <1 | 4 | 117 | 1.000 | 2.4 | 0.494 | |
| 1- | 10 | 236 | 1.239 | 0.381–4.036 | ||
| 3- | 2 | 128 | 0.457 | 0.082–2.542 | ||
| 5 and above | 5 | 106 | 1.380 | 0.361–5.273 | ||
| Treatment regimen | ||||||
| AZT/d4T+3TC+NVP/EFV | 15 | 540 | 1.000 | 2.196–16.39 | 10.115 | 0.006 |
| AZT/d4T/ TDF +3TC+LPV/r | 6 | 36 | 6.000 | 3 | ||
| TDF+3TC+EFV/NVP | 0 | 9 | 0.000 | 0 | ||
OR: odds ratio; CI: confidence interval