Sexually transmitted infections diagnosed in rectal LGV cases and symptomatic controls
| Characteristic | Cases N (%) | Controls N (%) | OR (95% CI) | p Value |
|---|---|---|---|---|
| N=98 | N=81 | |||
| Rectal chlamydia (non-LGV) | n/a | 20 (25) | n/a | |
| Urethral chlamydia | 5 (6) | 3 (4) | 1.43 (0.33 to 6.20) | 0.629 |
| Pharyngeal chlamydia* | 4 | 0 | n/a | |
| Rectal gonorrhoea | 18 (19) | 6 (8) | 2.81 (1.06 to 7.46) | 0.038 |
| Urethral gonorrhoea | 3 (3) | 2 (3) | 1.28 (0.21 to 7.85) | 0.791 |
| Pharyngeal gonorrhoea | 2 (2) | 2 (2) | 0.89 (0.12 to 6.44) | 0.905 |
| Non-gonococcal urethritis | 7 (8) | 2 (3) | 3.09 (0.62 to 15.32) | 0.168 |
| Anogenital herpes | 2 (22) | 6 (8) | 0.26 (0.05 to 1.34) | 0.168 |
| Anogenital warts | 8 (9) | 10 (13) | 0.64 (0.24 to 1.71) | 0.371 |
| Syphilis (new infection)† | 1 (1) | 5 (7) | 0.17 (0.02 to 1.46) | 0.105 |
*20 cases and 24 controls were screened for pharyngeal chlamydia.
†78 cases and 69 controls had syphilis serology results available.
LGV, lymphogranuloma venereum.