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. 2016 Jan 6;6(1):e008245. doi: 10.1136/bmjopen-2015-008245

Table 2.

Prevalence of anal and pharyngeal infections caused by Chlamydia trachomatis and/or Neisseria gonorrhoeae among 718 MSM/TW participants and subgroups by self-reported sexual identity

Type of infection Total enrolled (N=718)
Gay/homosexual (N=465)
Transgender women (N=208)
Bisexual/hetero (N=45)
p Value
n/N Per cent n/N Per cent n/N Per cent n/N Per cent
Anal
Chlamydia trachomatis 133/701 (19.0) 87/453 (19.2) 41/204 (20.1) 5/44 (11.4) 0.40
Neisseria gonorrhoeae 67/701 (9.6) 39/453 (8.6) 25/204 (12.3) 3/44 (6.8) 0.28
 Either 169/701 (24.1) 105/453 (23.2) 57/204 (27.9) 7/44 (15.9) 0.18
 Both concurrently 31/701 (4.4) 21/453 (4.6) 9/204 (4.4) 1/44 (2.3) 0.77
Pharyngeal
Chlamydia trachomatis 34/712 (4.8) 19/460 (4.1) 14/208 (6.7) 1/44 (2.3) 0.25
Neisseria gonorrhoeae 46/712 (6.5) 25/460 (5.4) 20/208 (9.6) 1/44 (2.3) 0.06
 Either 73/712 (10.2) 41/460 (8.9) 30/208 (14.4) 2/44 (4.6) 0.04
 Both concurrently 7/712 (1.0) 3/460 (0.7) 4/208 (1.9) 0/44 (0.0) 0.24

p Value from χ2 or Fisher’s exact test to compare prevalence of infections between sex identity/gender groups.

Values between parentheses are percentages in column display.

Of 718 participants, 701 provided anal swabs and 712 pharyngeal swabs.

MSM/TW, men who have sex with men transgender women.