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Table 2 Results of CXR examination stratified by culture in all TB suspects. (N = 998).

From: The role and performance of chest X-ray for the diagnosis of tuberculosis: A cost-effectiveness analysis in Nairobi, Kenya

  Total (N = 998) Culture positive (N = 559) Culture negative (N = 439)
a) Highly consistent for TB 423 (100%) 379 (90%) 44 (10%)
b) Consistent for TB 229 (100%) 127 (55%) 102 (45%)
c) Pathology, but no TB 27 (100%) 9 (33%) 18 (67%)
d) No pathology 319 (100%) 44 (14%) 275 (86%)
"any pathology"(a+b+c) 679 (100%) 515 (76%) 164 (24%)
" no-TB": (c+d) 364(100%) 53 (15%) 293 (85%)