Table 1: Frequency of Positive Results in Zambian TB Patients and Healthy Individuals According to their HIV Status Tested with TST or with ELISPOT. Data from Chapman et al. [35]

Patients Tested HIV Status TST (5 TU) ELISPOT
PPD ESAT6/CFP10
TB disease negative
positive		 NT*
NT* 		11/11 (100%)
28/39 (72%)		 11/11 (100%)
35/39 (90%)
Healthy Zambian negative
positive		 28/35 (80%)
5/14 (36%)		 45/54 (83%)
6/21 (29%)		 37/54 (69%)
9/21 (43%)
Healthy UK** Negative NT* 33/40 (83%) 0/40 (0%)

* NT: non tested
** 30/48 (80%) have been BCG vaccinated.