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Table 1 Baseline characteristics of patients initiated on ART

From: Joint modelling of longitudinal and time-to-event data: an illustration using CD4 count and mortality in a cohort of patients initiated on antiretroviral therapy

Characteristic

Women (N= 2557)

Men (N= 1457)

p-value

Age (years), median (IQR) a

32.0 (28.0-39.0)

35.0 (30.0-41.0)

<0.001

Site, n (%):

  

<0.001

Rural

1507 (58.9)

692 (47.5)

 

Urban

1050 (41.1)

765 (52.5)

 

Prevalent TB?, n (%):

  

<0.001

No

2052 (80.3)

990 (67.9)

 

Yes

505 (19.7)

467 (32.1)

 

Body mass index (kg/m2),

median (IQR) b

24.2 (21.0-28.1)

21.0 (19.0-23.2)

0.415

CD4 count (cells/ μL),

   

median (IQR) c

132.0 (69.0-202.0)

113.0 (47.0-177.0)

<0.001

CD8 count (cells/ μL),

   

median (IQR) d

818.5 (533.5-1197.5)

736.0 (462.0-1123.0)

<0.001

Viral load (log10 copies/ml),

   

mean (SD) e:

4.9(0.9)

5.0 (0.9)

<0.001

CD4:CD8 ratio, median(IQR) f

0.2 (0.1-0.2)

0.1 (0.1-0.2)

<0.001

  1. a4 patients had missing age, b237 patients had missing BMI, c382 patients had missing CD4 count, d1936 patients had missing baseline CD8 count, e488 patients had missing baseline viral load, f1929 patients had missing CD4:CD8 ratio