Table I. Characteristics of study participants
HIV IGRAHIV+ IGRAHIV IGRA+HIV+ IGRA+
n19201917
Age, ya (IQR)23 (19–28)29 (25–36)b30 (20–54)32 (24–37)
Sex (% male)21452659
IGRA,c IFN-γ IU/mld (IQR)0 (0–0.07)0 (0–0.08)10 (1.91–10)1.73e (0.94–5.41)
CD4 count, cells/μld (IQR)N/A515 (320–758)N/A590 (432–838)
HIV viral load, copies RNA/ml plasmad (IQR)N/A85,488 (13,441–537,421)N/A17,550 (3,873–141,188)
  • a Value denotes median age in years.

  • b p < 0.05 compared with HIV IGRA.

  • c TB Ag minus Nil from the QFT assay.

  • d Values denote median.

  • e p < 0.01 compared with HIV IGRA+.

  • IQR, interquartile range, N/A, not applicable.