TABLE 5.

Numbers of positive results obtained by different methods over the course of experimental infection with M. tuberculosis in NHP performed at MRL

MethodNo. positive/total (%) at postinoculation wk:
04812162024
Skin testa0/17 (0)15/17 (88)7/17 (41)0/6 (0)0/6 (0)0/6 (0)0/6 (0)
PrimaTB STAT-PAK0/17 (0)3/17 (18)10/15 (67)11/11 (100)10/10 (100)10/10 (100)8/8 (100)
Tracheal wash culture0/17 (0)7/17 (41)8/17 (47)9/12 (75)5/7 (71)6/10 (60)5/8 (63)
Tracheal wash PCR0/17 (0)4/17 (24)5/17 (29)2/12 (17)1/9 (11)5/10 (50)4/8 (50)
Skin test + PrimaTB STAT-PAK0/17 (0)16/17 (94)14/17 (82)11/11 (100)10/10 (100)10/10 (100)8/8 (100)
  • a Starting at 12 weeks postinoculation, the skin test was performed only on the group of six infected cynomolgus monkeys.