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Table 3 Cox regression analysis of predictors of tuberculosis among cohorts of PLHIV on chronic HIV car at Debre-Markos Referral Hospital from January 1, 2014 to December 31, 2018 (n = 494)

From: Incidence and predictors of tuberculosis occurrence among adults on antiretroviral therapy at Debre Markos referral hospital, Northwest Ethiopia: retrospective follow-up study

Variable

Survival status

CHR (95% CI)

Adjusted

Event

Censored

AHR (95% CI)

P-value

Past TB treatment

 Yes

6

8

2.84 (1.22, 6.64)

1.01 (0.38, 2.69)

0.981

 No

56

424

1.00

1.00

 

HIV disclosure

 Disclosed

7

30

0.59 (0.27, 1.30)

0.74 (0.31, 1.76)

0.495

 Not disclosed

55

402

1.00

1.00

 

WHO staging

 I/II

13

330

1.00

1.00

 

 III

37

85

7.55 (4.01, 14.22)

1.27 (0.59, 2.71)

0.534

 IV

12

17

13.37 (6.09, 29.36)

2.18 (0.86, 5.52)

0.100

CD4 count (cells/μl)

  ≤ 200

47

117

11.28 (4.48, 26.36)

2.31 (0.85, 6.30)

0.101

 201–350

10

113

3.04 (1.04, 8.89)

1.34 (0.43, 4.17)

0.608

  ≥ 350

5

202

1.00

1.00

 

Hemoglobin level

  < 10 g/dl

52

83

14.41 (7.32, 28.38)

5.25 (2.52,10.95)

<  0.001*

  ≥ 10 g/dl

10

349

1.00

1.00

 

BMI (kg/m2)

  < 18.5

47

114

7.51 (4.19, 13.44)

1.97 (0.99, 3.88)

0.052

  ≥ 18.5

15

318

1.00

1.00

 

Functional status

 Working

15

377

1.00

1.00

 

 Ambulatory/bedridden

47

55

14.10 (7.87, 25.28)

2.31 (1.13, 4.73)

0.021*

ART adherence

 Good

15

352

1.00

1.00

 

 Fair /poor

47

80

9.76 (5.45, 17.47)

3.22 (1.64, 6.31)

0.001*

Took IPT

 Yes

5

190

0.13 (0.05, 0.31)

0.33 (0.12, 0.85)

0.023*

 No

57

242

1.00

1.00

 
  1. * Independently significant predictors of TB at p-value < 0.05