Epidemiological characteristics, diagnosis and treatment effect of rifampicin-resistant pulmonary tuberculosis (RR-PTB) in Guizhou Province.

Ethnic groups and occupational characteristics of RR-PTB The proportion of Han ethnic group was the largest but showed a decreasing trend ( P < 0.001), the proportion of Miao ethnic group ranked second and showed an increasing trend ( P < 0.05), and the proportion of Tujia ethnic group maintained ( P > 0.05) (Fig. 2 A).

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Conversely, the Miao ethnicity showed an increasing trend ( P < 0.05).

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