Table 1 Chlamydia trachomatis (CT), lymphogranuloma venereum (LGV) and non-LGV chlamydia positivity in urethral and rectal specimens from MSM by clinic
Clinic*Urethral chlamydiaRectal chlamydia
% (95% CI)% (95% CI)
No of testsAll CTLGVNon-LGV CTNo of testsAll CTLGVNon-LGV CT
A35013.26 (2.67 to 3.85)0.06 (0.01 to 0.14)3.20 (2.62 to 3.78)35017.21 (6.34 to 8.06)1.09 (0.75 to 1.43)6.11 (5.32 to 6.90)
B9333.43 (2.26 to 4.60)3.43 (2.26 to 4.60)12105.87 (4.55 to 7.19)0.58 (0.15 to 1.01)5.29 (4.03 to 6.55)
C...16727.18 (5.94 to 8.42)0.60 (0.23 to 0.97)6.58 (5.39 to 7.77)
D3912.81 (1.17 to 4.45)2.81 (1.17 to 4.45)3957.34 (4.77 to 9.91)1.52 (0.31 to 2.73)5.82 (3.51 to 8.13)
All48253.25 (2.78 to 3.80)0.04 (0.01 to 0.16)3.21 (2.74 to 3.76)67786.96 (6.37 to 7.60)0.90 (0.69 to 1.16)6.06 (5.51 to 6.66)
  • *A, Brighton; B, Mortimer Market; C, Royal Free; D, St Thomas’s.