Table 2.

Chlamydia positivity in MSM, by anatomic site (individual MSM data, not grouped into partnerships), including only MSM from partnerships in which both men were tested for chlamydia at both rectum and urethra

	Positivity (all men) n/N; % (95%CI)	Positivity (excluding symptomatic cases) n/N; % (95%CI)
Chlamydia at any site	70/946; 7.4 (5.8 to 9.3)	48/812; 5.9 (4.4 to 7.8)
Urethral chlamydia	30/946; 3.2 (2.1 to 4.5)	18/812; 2.2 (1.3 to 3.5)
Rectal chlamydia	46/946; 4.9 (3.6 to 6.4)	35/812; 4.3 (3.0 to 5.9)
Both urethral and rectal chlamydia	6/946; 0.6 (0.2 to 1.4)	5/812; 0.6 (0.2 to 1.4)

N = men tested; n = positive tests; MSM = men who have sex with men