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Table 4 The clinical performance of 2 TB antibody test kits (positive rate, %)

From: Diagnostic performance and problem analysis of commercial tuberculosis antibody detection kits in China

Group Smear Culture Kit B Kit H
Pulmonary TB group (n = 1752) 39.8(543/1365) 48.6(372/765)* 45.8(802/1752) 25.2(442/1752)
Extra-pulmonary TB group (n = 505) 3.4(6/178) 5.8(4/69) 35.4(179/505)*# 11.3(57/505)*
Old pulmonary TB group (n = 87) 0(0/64) 0(0/30) 32.2(28/87) 9.2(8/87)
Non-TB group (n = 205) 0(0/121) 0(0/56) 21.5(44/205) 2.4(5/205)
  1. *P < 0.05 compared with smear; #P < 0.05 compared with culture