Table 1

Characteristics of the 34 men diagnosed with Shigella flexneri serotype 3a by HIV serostatus: unadjusted ORs and 95% CIs

Variable missing patient data (n)HIV serostatusOR95% CIp Value
Positive, n (%)Negative, n (%)
General characteristics
Age (0)Mediann=37.5n=361.0430.973 to 1.1230.243
Ethnicity (0)White: British12 (60)13 (93)1
White: Other6 (30)0 (0)7.8530.996 to ∞0.050
Mixed2 (10)1 (7)2.1090.098 to 137.491.000
Relationship (0)Co-Habiting4 (20)4 (29)1
Not co-habiting2 (10)2 (14)1.0010.341 to 8.9820.502
Not in relationship14 (70)8 (57)1.7500.091 to 11.0281.000
App: facilitate condomless sex (5)Yes9 (50)0(0)13.0541.723 to ∞0.010
App: geolocational (5)Yes11 (61)7 (64)0.8980.190 to 4.2370.892
Sexual behaviour
 Sexual partners in last year (0)Mediann=45 n=130.9990.991 to 1.0010.816
 Sexual partners in last 3 months (0)Mediann=10 n=50.9900.957 to 1.0240.554
 Sexual partners in last 2 weeks (0)Mediann=4n=21.0760.888 to 1.3320.448
 Receptive fisting (0)Yes7 (35) 0 (0)0.9280.436 to 1.9750.847
 Insertive fisting (0)Yes14 (70)2 (14)0.5000.188 to 1.3320.166
Regular partners
 Insertive anal sex: unprotected (19)Yes4 (57)5 (63)0.8000.101 to 6.3470.833
 Receptive anal sex: unprotected (17)Yes 3 (33)6 (75)0.1670.020 to 1.3840.097
Casual partners
 Insertive anal sex: unprotected (15)Yes12 (86)1 (20)24.001.689 to 340.990.019
 Receptive anal sex: unprotected (11)Yes14 (70)2 (15)2.0450.477 to 8.7740.335
Drug use
 Chemsex drugs (0)Yes17 (85)4 (29)2.2670.419 to 12.2650.342
History of sexually transmitted infections (≤5 years)
 Gonorrhoea (0)Yes13 (65)3 (21)0.1470.030 to 0.7080.017
 Syphilis (0)Yes7 (35)2 (14)0.3090.053 to 1.7930.191
 Chlamydia (0)Yes8 (40)4 (29)0.6000.139 to 2.5950.494
 Lymphogranuloma venereum (0)Yes4 (20)0 (0)0.2370.000 to 2.0650.209
Signs and symptoms
 Fever (0)Yes16 (80)13 (93)0.3080.305 to 3.1010.317
 Diarrhoea (0)Yes19 (95)14 (100)1.4290.000 to 55.7141.000
 Vomiting (0)Yes6 (30)6 (43)0.5710.137 to 2.3800.442
 Blood in stool (0)Yes12 (60)11 (79)0.4090.086 to 1.9440.261
 Mucous in stool (0)Yes11 (55)8 (57)0.9170.231 to 3.6330.901