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Table 3 Adjusted hazard ratios for mortality from multivariate analysis, with 95% confidence intervals (n = 1195)

From: Low haemoglobin predicts early mortality among adults starting antiretroviral therapy in an HIV care programme in South Africa: a cohort study

 

Unadjusted HR1

aHR2 (95% CI)

Likelihood Ratio test

   

p-value

Gender

  

0.41

Male

1

1

 

Female

0.89 (0.65, 1.23)

0.87 (0.63, 1.2)

 

Age group (years)

  

0.28

18 to 29

1

1

 

30 to 34

1.43 (0.88, 2.32)

1.37 (0.84, 2.22)

 

35 to 39

1.85 (1.15, 2.97)

1.67 (1.03, 2.69)

 

40 to 49

1.27 (0.78, 2.1)

1.25 (0.75, 2.07)

 

50 to 70

1.44 (0.75, 2.74)

1.57 (0.82, 3.01)

 

CD4 count (/μL)

  

<0.0001

0 to 49

1

1

 

50 to 99

0.34 (0.21, 0.55)

0.40 (0.25, 0.64)

 

100 to 200

0.29 (0.19, 0.45)

0.38 (0.25, 0.58)

 

> 200

0.22 (0.1, 0.48)

0.34 (0.16, 0.74)

 

Haemoglobin (g/mL)

  

0.0003 3

Time < 3 months

   

<8

5.35 (2.91, 9.84)

4.99 (2.69, 9.24)

 

8.1 - 9.9

2.98 (1.67, 5.33)

3.05 (1.71, 5.48)

 

10 - 11.9 (12.9 for men)

1

1

 

>11.9 (>12.9 for men)

0.10 (0.23, 0.43)

0.12 (0.03, 0.52)

 

Time3 months

   

<8

2.00 (1.10, 3.70)

1.88 (1.01, 3.49)

 

8.1 - 9.9

1.27 (0.73, 2.20)

1.33 (0.77, 2.31)

 

10 - 11.9 (12.9 for men)

1

1

 

>11.9 (>12.9 for men)

0.50 (0.29, 0.86

0.59 (0.34, 1.02)

 
  1. 1 Unadjusted hazard ratio restricted to n = 1195 in model
  2. 2aHR (adjusted hazard ratio) adjusted for other variables in the table
  3. 3 p-value for interaction with follow-up time.