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Table 1 Distribution of drug resistance among phylogenetic clades of the Ural family

From: New epidemic cluster of pre-extensively drug resistant isolates of Mycobacterium tuberculosis Ural family emerging in Eastern Europe

Identifiers

Number of strains (n = 149)

Susceptible and monoresistant, number (%)

Polyresistant, number (%)

MDR, number (%)

Pre-XDR and XDR, number (%)

Pre-XDR and XDR prevalence in Clades C vs A&B, χ2a; p

Out-of-clade strains

27

9 (33.3)

2 (7.4)

16 (59.3)

8 (29.6)

65.3; < 0.0001

Clade A

31

26 (83.9)

2 (6.4)

3 (9.7)

1 (3.2)

Clade B

52

28 (53.9)

10 (19.2)

14 (26.9)

4 (7.7)

Clade C

39

1 (2.6)

0

38 (97.4)

32 (82.1)

  1. aχ2 with Yates correction