Research Article

Evaluation of the Diagnostic Efficacy of Xpert CT/NG for Chlamydia trachomatis and Neisseria gonorrhoeae

Table 1

Characteristics about CT from included articles.

AuthorYearCountryStudy designGold standardSource of specimensBacterial speciesType of specimensResult
TPFPFNTN

Goldenberg2012BritainProspectivePCR409 self-collected specimenCTAnorectal3736363
Gaydos2013AmericaProspectivePCR1710 clinical specimensCTEndocervical76721625
1718 clinical specimensUrinea80321633
1386 clinical specimensUrineb79121304
Jenson2013East AfricaProspectivePCR144 specimens from trachoma-endemic communityCTOcular355087
Causer2015AustraliaPCRPCR198 clinical specimensCTUrine1610181
Peuchan2015FranceProspectivePCR377 clinical specimensCTVaginal3701339
Geiger2016AmericaProspectivePCR285 self-collected specimensCTOcular101142
Anorectal1502124
Bristow2017AmericaProspectivePCR393 clinical specimensCTAnorectal4227342
Cosentino2017AmericaProspectivePCR399 clinical specimensCTAnorectal5163339
394 clinical specimensPharyngeal820384
224 clinical specimensUrineb901214
170 clinical specimensVaginal1001152
Dize2017AmericaProspectivePCR448 self-collected specimensCTAnorectal2111378
Wilson2017AmericaProspectivePCR50 clinical specimensCTUrineb81239
1112 clinical specimensUrinea101824979
Causer2018AustraliaProspectivePCR2486 self-collected specimensCTUrine, vaginal2091132263
Badman2018AustraliaProspectivePCR326 self-collected specimensCTAnorectalc14485169
Anorectald11634127
Anorectale285142
Gaydos2018AmericaProspectivePCR127 clinical specimensCTEndocervical1000117
Garrett2019South AfricaProspectivePCR247 clinical specimensCTVaginal3750205

aThese specimens were collected from female. bThese specimens were collected from male. cThese specimens were collected from “men who have sex with men,” “transgender women,” and “female sex workers.” dThese specimens were collected from “female sex workers.” eThese specimens were collected from “men who have sex with men” and “transgender women.” TP: true positive; FP: false positive; FN: false negative; TN: true negative.