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Table 5 Two sample t test with equal variances comparing mean CD4 count between IPC and VCT testing sources

From: Stage of HIV presentation at initial clinic visit following a community-based HIV testing campaign in rural Kenya

HIV testing source Obs Mean CD4 count (cells/μl) (95% CI)
IPC 72 368.0 (304.0 – 432.0)
VCT 789 298.1 (280.0 – 316.2)
Total 861 304.0 (286.6 – 321.4)
  1. t = 2.184, d.f = 859, p = 0.03.