Table 3 -.

Prediction modeling of rectal chlamydia or gonorrhea given self-reported anal sex with last sexual partner among cisgender men at community-based STI clinic in Los Angeles, November 2018 - February 2020 (N=13,476)

	n	Estimate	95% CI	AUC
Chlamydia	9,944
Sensitivity		0.60	(0.59, 0.61)	--
Specificity		0.58	(0.54, 0.62)	--
Model 1	9,944	2.09	(1.78, 2.46)	0.59
Model 2	9,456	2.05	(1.72, 2.44)	0.60
Model 3	9,456	1.98	(1.67, 2.36)	0.61
Gonorrhea	9,913
Sensitivity		0.59	(0.58, 0.60)	--
Specificity		0.51	(0.47, 0.55)	--
Model 1	9,913	1.49	(1.26, 1.75)	0.55
Model 2	9,427	1.33	(1.12, 1.58)	0.57
Model 3	9,427	1.27	(1.06, 1.51)	0.60

Abbreviations. STI= sexually transmitted infection; CI= Confidence Interval; AUC= Area Under the Curve

Model 1: Crude model of self-reported anal sex with last partner on rectal Chlamydia/Gonorrhea respectively

Model 2: Model of self-reported anal sex with last partner on rectal Chlamydia/Gonorrhea respectively, adjusting for partner type

Model 3: Model of self-reported anal sex with last partner on rectal Chlamydia/Gonorrhea respectively, adjusting for partner type and age