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Table 3 Univariable and multivariable analyses of factors associated with mortality for patients on ART at start of TB treatment

From: HIV and TB co-infection in the ART era: CD4 count distributions and TB case fatality in Cape Town

 

PYRS

Deaths

Univariable

Multivariable

Characteristic

  

HR (95% CI)

P-value

aHR (95% CI)

P-value

Calendar year

 2009

11,479

1400

1

 

1

 

 2010

11,646

1275

1.11 (0.81–1.51)

0.51

1.18 (0.85–1.63)

0.32

 2011

11,350

1135

1.06 (0.79–1.42)

0.71

1.17 (0.86–1.59)

0.32

 2012

11,095

1099

0.95 (0.72–1.26)

0.74

1.07 (0.80–1.44)

0.64

 2013

10,010

922

0.90 (0.68–1.20)

0.47

1.05 (0.77–1.42)

0.76

Age (per 10 years increase)

5581

634

1.27 (1.17–1.38)

< 0.001

1.28 (1.17–1.40)

< 0.001

Female gender

3232

329

1

 

1

 

Male gender

2349

305

1.28 (1.09–1.50)

0.002

1.02 (0.86–1.20)

0.84

Re-treatment TB

2606

340

1

 

1

 

New TB

2975

294

0.72 (0.61–0.83)

< 0.001

0.71 (0.61–0.84)

< 0.001

PTB

4411

494

1

 

1

 

EPTB

1170

140

1.06 (0.88–1.28)

0.56

1.05 (0.86–1.27)

0.43

CD4 (per increase of 50 cells/mm3)

5389

603

1

0.87 (0.84–0.89)

< 0.001

1

0.87 (0.84–0.89)

P < 0.001

  1. PYRS person years, HR Hazard Ratio, aHR Adjusted Hazard Ratio, CI confidence interval, TB tuberculosis, PTB pulmonary tuberculosis, EPTB extra-pulmonary tuberculosis