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Demographic and clinical features of patients infected with Modern-Beijing and Ancient-Beijing genotype isolates.
| Number of Ancient Beijing family (n = 17) | Number of Modern Beijing family (n = 125) | OR | 95% CI | P value | |
| Sex | |||||
| Male | 10 | 93 | 1.000 | ||
| Female | 7 | 32 | 2.034 | 0.715-5.791 | .18 |
| Age (yrs) | |||||
| 14-60 | 14 | 97 | 1.000 | ||
| ≥60 | 3 | 28 | 1.347 | 0.361-5.022 | .66 |
| Treatment history | |||||
| New case | 11 | 80 | 1.000 | ||
| Retreated | 6 | 45 | 0.970 | 0.336-2.798 | .96 |
| Positive sputum smear result | |||||
| No | 6 | 31 | 1.000 | ||
| Yes | 11 | 94 | 1.654 | 0.565-4.843 | .36 |
