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Table 5 Radiological and Laboratory Results and Treatment Prescription at Triage and during the follow-up in 110 Presumed Drug Resistant Tuberculosis Cases

From: Outcomes from patients with presumed drug resistant tuberculosis in five reference centers in Brazil

Variable

DS-TB

DR/MDR-TB

 

MDR-TB

p value

N (%)

N (%)

OR(95% CI)

p value

N (%)

OR(95% CI)

 

Treatment and Laboratory results at Triage

 AFB at triagem

       

  Pos

53(89.8)

41(80.4)

1.0 (Reference)

p = 0.34

24(77.4)

1.0 (Reference)

p = 0.19

  Neg

6(10.2)

8(15.7)

0.58(0.18–1.80)

 

6(19.3)

0.45 (0.13–1.55)

 

  IGN

0

2(3.9)

  

1(3.2)

  

 HIV testing result

  Positive

9(15.3)

3(5.9)

1.0 (Reference)

p = 0.06

3(9.7)

1.0 (Reference)

p = 0.33

  Negative

27(45.8)

34(62.7)

0.26(0.06–1.07)

 

18(56.1)

0.50 (0.11–2.10)

 

  IGN

11(38.9)

14(27.4)

-

 

10(32.2)

  

 Chest X Ray(Images)

  Typical

56(94.8)

45(88.2)

1.0 (Reference)

p = 0.08

25(80.6)

1.0 (Reference)

p = 0.01

  Compatible

1(1.9)

6(11.8)

0.13(0.01–1.15)

 

6(19.4)

0.07(0.008–0.65)

 

  Atipical

2(3.3)

0

-

 

0

  

 Cavitation

  Yes

52(88.1)

40(78.4)

1.0 (Reference)

p = 0.16

23(74.2)

1.0 (Reference)

p = 0.19

  No

6(10.0)

10(19.5)

0.46(0.15–1.37)

 

7(22.6)

0.37 (0.11–1.25)

 

  IGN

1(1.9)

1(1.9)

  

1(3.2)

  

 Empirical treament

  Yes

58 (98.3)

48(94.1)

1.0 (Reference)

p = 0.51

28(90.3)

1.0 (Reference)

p = 0.23

  1st line drugs

51

34

0.27(0.02–2.73)

 

12

0.16(0.01–1.61)

 

  2nd line drugs

7

14

  

16

  

  No

1 (1.7)

3 (5.9)

  

3(9.7)

  

 Anti_TB drugs prescribed at triage

  Maintained the regimen

18(30.5)

18(35.3)

1.0(Reference)

p = 0.59

12(38.7)

1.0 (Reference)

p = 0.43

  Start new TB regimen

41(69.5)

33(64.7)

1.24(0.56–2.76)

 

19(61.3)

1.44(0.57–3.57)

 

Treatment and Laboratory results among 95 pDR-TB Followed-up

 Adverse reaction

  Yes

7(15.6)

11(22.0)

1.0 (Reference)

p = 0.88

8(27.6)

1.0 (Reference)

p = 0.82

  No

20(44.5)

34(68.0)

0.92(0.30–2.76)

 

20(68.9)

1.14(0.34–3.75)

 

  IGN

18(40.0)

5(10.0)

  

1(3.4)

  

 Change of treat

  Yes

9(20.0)

27(54.0)

1.0 (Reference)

p = 0.03

20(68.9)

1.0 (Reference)

p < 0.01

  Use DST results

3

21

2.85(1.06–7.60)

 

16

4.69(1.53–14.34)

 

  Other

6

6

  

4

  

  No

19(42.0)

20(40.0)

  

9(31.1)

  

  IGN

17(37.8)

3(6.0)

     

 AFB 6th month

  Positive

2(4.5)

6(12.0)

1.0 (Reference)

p = 0.35

4(13.8)

1.0 (Reference)

p = 0.49

  Negative

17(37.8)

23(46.0)

2.21(0.39–12.36)

 

12(41.4)

2.80(0.44–18.0)

 

  IGN

26(57.8)

21 (42.0)

  

13 (44.8)

  

 Culture results 6th month

  Pos

1(2.2)

10(20.0)

1.0 (Reference)

p = 0.10

6(20.7)

1.0 (Reference)

p = 0.17

  Neg

12(26.7)

17(34.0)

7.05(0.79–62.72)

 

11(37.9)

6.54(0.67–63.33)

 

  Cont

1(2.2)

1(2.0)

-

 

0

  

  IGN

31(68.9)

22(44.0)

  

12 (41.4)

  

 Treatment Outcome at 6th month

  Favourable

23(51.0)

33(66.0)

2.42(1.02–5.78)

p = 0.04

21(72.4)

2.51(0.92–6.84)

p = 0.07

  Unfavourable

22(48.9)

13(26.0)

1.0 (Reference)

 

8(27.6)

1.0 (Reference)

 

  Default

20

2

  

1

  

  Failure

1

10

  

6

  

  Death

1

1

  

1

  

  Transfer

-

4(8.0)

     
  1. IGN ignored, NA not applicable, MDR multidrug resistant, DR drug resistant; DS drug sensitive