Table 1

Clinic attendance, demographic information and history of sexually transmitted infections for rectal LGV cases compared with symptomatic controls

CharacteristicCases
N (%)
Controls
N (%)
OR (95% CI)p Value
 N=98N=81  
Recruitment setting
 HIV clinic65 (66)55 (68)Ref0.757*
 Genitourinary medicine clinic27 (28)23 (28)0.99 (0.51 to 1.93) 
 Other†6 (6)3 (4)1.69 (0.40 to 7.08) 
Reason attended clinic
 Symptoms75 (78)72 (89)Ref0.075*
 Routine/check up12 (12)3 (4)3.84 (1.04 to 14.17) 
 Other‡9 (9)6 (7)1.44 (0.49 to 4.25) 
Age median (IQR)39.5 (34–46)37 (30–44)n/a0.087§
Ethnicity—white (UK or other)87 (90)63 (79)2.35 (1.01 to 5.47)0.048
Born in UK54 (56)53 (65)0.66 (0.36 to 1.22)0.186
Known HIV-positive88 (90)58 (72)3.49 (1.55 to 7.87)0.003
Previous hepatitis C10 (10)8 (10)1.02 (0.38 to 2.73)0.964
Previous gonorrhoea67 (68)43 (54)1.86 (1.01 to 3.43)0.047
Previous syphilis47 (48)31 (39)1.46 (0.80 to 2.650.219
Previous LGV16 (16)8 (10)1.76 (0.71 to 4.34)0.223
Previous chlamydia (non-LGV)51 (52)30 (38)1.81 (0.99 to 3.30)0.054
Any previous sexually transmitted infection97 (99)67 (84)18.82 (2.4 to 147.3)0.005
  • HIV postexposure prophylaxis related: one case and two controls. Serological tests for syphilis follow-up: one case. Confirm new HIV: one control.

  • *p Value for trend.

  • †MSM or SW dedicated clinics.

  • ‡Contact tracing: six cases and three controls.

  • §Wilcoxon rank sum test for medians.

  • LGV, lymphogranuloma venereum; MSM, men who have sex with men; SW, sex worker.