Clinical and laboratory findings stratified for sexual behaviour and HIV status
| MSM | Heterosexuals | P value | HIV seronegative | HIV seropositive | P value | |
| Age, median (IQR) | 38.0 (29–46.5) | 39.0 (30.5–51) | 0.2128 | 38.0 (29–46) | 40.5 (35.5–51) | 0.065 |
| Extragenital site, n (%) | 26/159 (16.3) | 4/83 (4.8) | 0.012 | 26/210 (12.4) | 4/32 (12.5) | 1 |
| Multiple lesions, n (%)* | 45/159 (28.3) | 23/83 (27.7) | 1 | 61/210 (29) | 7/32 (21.8) | 0.528 |
| Atypical clinical presentation, n (%) | 52/160 (32.5) | 24/84 (28.6) | 0.563 | 68/212 (32) | 9/32 (28.1) | 0.807 |
| Negative serology at diagnosis, n (%) | 27/160 (16.9) | 12/84 (14.3) | 0.714 | 34/212 (16) | 5/32 (15.6) | 1 |
*Data on 242 patients (site not applicable for extragenital+genital localisations (observed in 1 heterosexual and 1 MSM) (observed in 2 HIV negative)).
†Data on 242 patients (number of lesions not applicable for Follman’s balanitis (observed in 1 heterosexual and 1 MSM) (observed in 2 HIV negative)).
MSM, men who have sex with men.