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Table 1 Agreement between results from paired spot specimens (SS) and morning specimens (MS) using GeneXpert® MTB/RIF

From: Spot specimen testing with GeneXpert MTB/RIF results compared to morning specimen in a programmatic setting in Cotonou, Benin

Spot specimen Morning specimen Pa OPA
(95% CI)b
PPA
(95% CI)b
NPA
(95% CI)b
Positive Negative Total
Positive 152 3 155 0.99 99.2 (98.2–99.6) 98.1 (94.5–99.3) 99.5 (98.5–99.8)
Negative 3 579 582
Total 155 582 737&
  1. OPA overall percentage of agreement; PPA positive percent agreement; NPA negative percent agreement
  2. &The agreement analysis included 737 presumptive TB patients who provided both SS and MS
  3. aMcNemar test
  4. bWilson 95% confidence intervals