Table 1.
Characteristics of the syphilis-infected participants (60) involved in this study
| Milan (11 participants) | Turin (29 participants) | Bologna (15 participants) | Genoa (5 participants) | |
|---|---|---|---|---|
|
| ||||
| Male (N, %) | 10 (90.9) | 29 (100) | 15 (100) | 5 (100) |
| Mean Age (range) | 40 (18–70) | 36 (20–54) | 40.2 (23–67) | 33.6 (23–49) |
|
| ||||
| Sexual orientation | ||||
| MSM (N, %) | 8 (80) | 27 (93.1) | 13 (86.6) | 3 (60) |
| Bisexual (N, %) | None | None | 1 (6.6) | None |
| Heterosexual (N, %) | 2 (20) | 2 (6.9) | 1 (6.6) | 2 (40) |
|
| ||||
| HIV status | ||||
| Positive (N, %) | 3 (27.3) | 11 (37.9) | 6 (40) | 1 (20) |
| Negative (N, %) | 8 (72.7) | 18 (62.1) | 9 (60) | 4 (80) |
|
| ||||
| Syphilis stage | ||||
| Primary (N, %) | 7 (63.7) | 13 (44.9) | 14 (93.4) | 4 (80) |
| Secondary (N, %) | 4 (36.3) | 16 (55.1) | 1 (6.6) | 1 (20) |
|
| ||||
| Lesion location | ||||
| Genital (N, %) | 7 (63.7) | 11 (37.9) | 14 (93.4) | 4 (80) |
| Anal (N, %) | 4 (36.3) | 10 (34.4) | None | None |
| Oral (N, %) | None | 6 (20.6) | 1 (6.6) | None |
| Cutaneous (N, %) | None | 2 (6.9) | None | 1 (20) |
|
| ||||
| VDRL or RPR median titer (IQR) | VDRL, 16 (2–256) | VDRL, 8 (4–64)1 RPR, 16 (2–64)2 |
VDRL, 4 (1–16) | All VDRL + No titer available |
|
| ||||
| TPPA or TPHA median titer (IQR) | TPHA, 803 | TPPA, 640 (80–20480) | TPHA, 40 (4–128) | TPHA, 5120 (2560–10240) |
|
| ||||
| Neurological/ocular involvement | Not determined | Absent in all patients | Not determined | Not determined |
1
VDRL was performed on 4 patients of this cohort
2
RPR was performed for 25 patients of this cohort
3
No further dilution was tested