Bulletin of the World Health Organization

Lost opportunities to complete CD4+ lymphocyte testing among patients who tested positive for HIV in South Africa

Bruce A Larson, Alana Brennan, Lynne McNamara, Lawrence Long, Sydney Rosen, Ian Sanne & Matthew P Fox

Volume 88, Number 9, September 2010, 675-680

Table 1. Baseline characteristics of patients who tested positive for HIV infection and who did or did not complete CD4 testing within the 12 ensuing weeks, Johannesburg, South Africa, 2008–2009

Characteristic Completed CD4 testing
Did not complete CD4 testing within 12 weeks
(n = 230)
P-valuea
Within 6 weeks
(n = 85)
After 6–12 weeks
(n = 122)
Column A Column B Column C A = B B = C A = C
Males, % 37.6 27.0 36.8 0.26 0.25 0.90
Median age in years (IQR) 40.2 (32.3–46.2) 39.8 (32.6–46.1) 36.5 (31.2–43.8) 0.84 0.58 0.24
Married, % 51.8 48.6 49.5 0.75 0.92 0.73
Employed, % 21.2 32.4 23.9 0.18 0.27 0.61
Baseline CD4 cell count ≤ 200 cells/μl, % 82.4 75.7 40.4 0.39 < 0.01 < 0.01
Median baseline CD4 cell count, cells/μl (IQR) 77 (34–170) 163 (123–192) 263 (103–430) < 0.01 < 0.01 < 0.01

HIV, human immunodeficiency virus; IQR, interquartile range.

a P-value for test of equality of sample proportions or non-parametric two-sample test of the equality of medians for columns specified.