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Table 4 Results showing rate of occurrence of undetectable viral load across age groups, baseline CD4 strata and timing of ART initiation

From: Antiretroviral therapy initiation within seven days of enrolment: outcomes and time to undetectable viral load among children at an urban HIV clinic in Uganda

Variable

N

Number of events

Person years per 1000

Rate of undetectable VL (95% CI)

95% CI

HR

95% CI

P – value

Age group

 0–5 (ref)

269

105

4.72

22.27

18.39–26.96

   

 6–15

83

31

1.07

29.03

20.42–41.28

1.35

0.90–2.01

0.144

 15–18

15

9

0.20

45.43

23.64–87.32

2.32

1.17–4.60

0.016*

CD4 count (cells/μl)

  < 500 (ref)

109

35

1.43

24.40

17.52–33.99

   

  > = 500

258

110

4.54

24.19

20.07–29.16

0.93

0.63–1.35

0.688

Timing

 Beyond 7 days (ref)

187

75

3.77

19.90

15.87–24.95

   

 Within 7 days

180

70

2.21

31.64

25.03–39.99

1.88

1.35–2.62

0.001*

  1. *Significance at p < 0.05