Median CD4 count differed across groups: 68 (IQR 39–161) cells/mm3 in active TB, 136 (IQR 72–312) cells/mm3 in subclinical TB, 90 (IQR 40–180) cells/mm3 in no microbiologic TB/ATT and 249 (125–394) cells/mm3 in no microbiologic TB/no ATT, (P < 0.001). The gene discussed is CD4; the disease is tuberculosis.