From: Comparing urine samples and cervical swabs for Chlamydia testing in a female population by means of Strand Displacement Assay (SDA)
% sensitivity
95% CI
% specificity
Cervix
89.0
(78.8, 98.6)
99.2
(98.3, 100)
Urine
90.2
(78.1, 95.5)
98.3
(96.4, 100)
difference
(C-U)
-1.2
(-12.3, 16.2)
1.0
(-1.3, 3.3)