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Table 2 General characteristics of patients infected with single strain or multiple strains

From: Drug resistance characteristics and cluster analysis of M. tuberculosis in Chinese patients with multiple episodes of anti-tuberculosis treatment

  Multiple strains Single strain P*
  n = 32   n = 134   
Social-demographic
 Age 50 ± 16.0   44 ± 14.3   0.063
 Male (Sex) 23 71.9 101 75.4 0.683
 BMI value 21 ± 4.2 19 ± 5.2 0.176
Clinical feature
 SS+ 30 93.8 125 93.3 1
 Cavity 19 59.4 50 37.3 0.023**
 Treatment episode > 3 25 78.1 58 43.3 0.001**
 MDR 27 84.4 70 52.2 0.001**
 Pre-XDR 7 21.9 23 17.2 0.534
 XDR 3 9.4 2 1.5 0.049**
  1. *p value from the Chi-square test
  2. **p < 0.05