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Table 1 Baseline characteristics of NHS participants

From: Factors associated with HIV viral load “blips” and the relationship between self-reported adherence and efavirenz blood levels on blip occurrence: a case–control study

Characteristic

All

Blip group

Control group

P value

Number, n

772

99

673

 

Mean age at HIV diagnosis (years)

29.1 (12.6)

29.8 (12.4)

29.1 (12.8)

0.4881

Mean time from HIV negative to seroconversion (years)

0.6 (0.6)

0.7 (0.6)

0.6 (0.6)

0.1704

Mean time from seroconversion to first ART (years)

1.7 (2.5)

1.7 (2.8)

1.7 (2.5)

0.8564

Male

724 (93.8)

94 (94.9)

630 (93.6)

 

Female

48 (6.2)

5 (5.1)

43 (6.4)

 

Race

   

0.1599

 Caucasian

305 (39.5)

38 (38.4)

267 (39.7)

 

 African-American

327 (42.4)

49 (49.5)

278 (41.3)

 

 Other

140 (18.1)

12 (12.1)

128 (19.0)

 

Mean CD4 count at HIV diagnosis (cells/µL)

437 (273)

432 (308)

439 (265)

0.2258

CD4 count at HIV diagnosis (cells/µL)

   

0.4664

 <350

214 (30.7)

33 (36.3)

181 (29.9)

 

 350 to <500

213 (30.6)

25 (27.5)

188 (31.1)

 

 ≥500

269 (38.6)

33 (36.3)

236 (39.0)

 

Mean CD4 count at ART (cells/µL)

340 (194)

284 (190)

353 (189)

0.0002

CD4 count at ART (cells/µL)

   

0.0022

 <350

369 (52.1)

64 (68.1)

305 (49.7)

 

 350 to <500

212 (29.9)

22 (23.4)

190 (30.9)

 

 ≥500

127 (17.9)

8 (8.5)

119 (19.4)

 

Mean viral load at ART (log10copies/mL)

4.5 (1.0)

4.8 (0.9)

4.5 (1.0)

0.0017

  1. Data expressed as N (%) or mean (SD)
  2. ART antiretroviral therapy