Skip to main content

Table 2 Comparison of drug susceptibility patterns between clinical M. tuberculosis isolates in 2006 and in 2012

From: Prevalence and molecular characteristics of drug-resistant Mycobacterium tuberculosis in Beijing, China: 2006 versus 2012

Susceptibility or resistance category

Total cases

New cases

Previously treated cases

2006 (n = 255)

n (%)

2012 (n = 537)

n (%)

P value

2006 (n = 176)

n (%)

2012 (n = 318)

n (%)

P value

2006 (n = 79)

n (%)

2012 (n = 219)

n (%)

P value

Any drug-resistance

89 (34.9)

292 (54.4)

<0.001

37 (21.0)

115 (36.2)

0.001

52 (65.8)

177 (80.8)

0.007

All first-line drug resistance

78 (30.6)

269 (50.1)

<0.001

30 (17.0)

98 (30.8)

0.001

48 (60.8)

171 (78.1)

0.003

INH

60 (23.5)

209 (38.9)

<0.001

20 (11.4)

57 (17.9)

0.054

40 (50.6)

152 (69.4)

0.003

RIF

43 (16.9)

164 (30.5)

<0.001

5 (2.8)

30 (9.4)

0.006

38 (48.1)

134 (61.2)

0.044

STR

59 (23.1)

189 (35.2)

0.001

21 (11.9)

63 (19.8)

0.026

38 (48.1)

126 (57.5)

0.149

EMB

24 (9.4)

88 (16.4)

0.008

8 (4.5)

31 (9.7)

0.040

16 (20.3)

57 (26.0)

0.306

All MDR

38 (14.9)

145 (27.0)

<0.001

5 (2.8)

21 (6.6)

0.073

33 (41.8)

124 (56.6)

0.023

INH + RIF

4 (2.0)

25 (4.5)

0.079

1 (0.6)

4 (1.3)

0.463

3 (3.8)

21 (9.6)

0.105

INH + RIF + STR/EMB

34 (13.3)

120 (22.3)

0.003

4 (2.3)

17 (5.3)

0.105

30 (38.0)

103 (47.0)

0.165

All second-line drug resistance

40 (15.7)

172 (32.0)

<0.001

14 (8.0)

45 (14.2)

0.042

26 (32.9)

127 (58.0)

<0.001

OFX

37 (14.5)

164 (30.5)

<0.001

13 (7.4)

42 (13.2)

0.049

24 (30.4)

122 (55.7)

<0.001

CAP

1 (0.4)

29 (5.4)

0.001

1 (0.6)

2 (0.6)

0.934

0

27 (12.3)

0.001

AMK

9 (3.5)

42 (7.8)

0.021

1 (0.6)

7 (2.2)

0.168

8 (10.1)

35 (16.0)

0.204

All pre-XDR

17 (6.7)

73 (13.6)

0.004

2 (1.1)

10 (3.1)

0.165

15 (19.0)

63 (28.8)

0.090

All XDR

6 (2.4)

36 (6.9)

0.008

1 (0.6)

4 (1.3)

0.463

5 (6.3)

32 (14.6)

0.056