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Table 1 Drug resistance patterns according to number of drugs and MDR-TB status.

From: Antituberculosis drug resistance patterns in two regions of Turkey: a retrospective analysis

 

1972–1981 (n = 2172)

1982–1991 (n:683)

1992–1999 (n:863)

1972–1999 (n:3718)

Resistance

n

%

n

%

n

%

n

%

One drug

319

14.7

100

14,6

278

32,2

713

19,1

Two drugs

96

4,4

47

6,8

18

2,0

166

4,4

Three drugs

-

-

19

2,7

28

3,2

57

1,5

More than three drugs*

-

-

13

1,9

11

1,2

24

1,5

At least one drug

415

19.1

179

26,2

335

38,8

929

25,0

PDR-TB

108

5,0

29

4,2

0

0

137

3,7

MDR-TB*

-

-

50

7,3

57

6,6

107

6,9

  1. * Susceptibility test to RIF, EMB and TH had been performed after 1982 (n: 1546)