Table 1 The M. tuberculosis isolates by World Health Organization (WHO) region.

From: Mixed infections in genotypic drug-resistant Mycobacterium tuberculosis

WHO region

N

L1

%

L2

%

L3

%

L4

%

Other* %

Sens

%

RR-TB%

HR-TB%

MDR + -TB%

MSI N (%)

Hetero-res %

Africa

8864

4.5

21.2

4.6

64.5

5.2

65.3

4.5

4.0

15.3

1.6

0.5

Americas

6007

5.0

14.0

2.3

75.6

3.1

48.7

1.9

10.0

26.5

1.0

0.7

EM

872

6.7

8.6

54.0

29.1

1.6

19.3

3.4

2.6

36.8

1.1

1.1

Europe

17,017

7.5

16.9

17.1

55.2

3.3

62.8

0.9

6.8

14.5

0.7

0.3

SEA

6176

22.5

40.8

21.6

13.4

1.7

45.0

0.8

6.1

11.4

1.6

1.1

WP

6760

12.9

66.1

0.5

19.6

0.9

45.8

1.8

14.7

19,9

1.1

0.7

Unknown

5027

6.3

27.4

14.4

49.9

2.0

60.4

3.1

9.3

26.7

0

Overall

50,723

9.1

27.6

11.8

48.3

3.2

50.0

2.0

7.8

26.9

1.0

1.0

  1. Lineages L1–L4; *Other lineages (L5, L6, L7, La1, M. bovis, M. orygis); EM Eastern Mediterranean; SEA Southeast Asia; WP Western Pacific; RR-TB rifampicin resistant; HR-TB isoniazid resistant; MDR+-TB refers to MDR-TB, pre-XDR, or XDR resistant; MSI: mixed strain infection; Hetero-res(istance).