TABLE 1.
Sociodemographic, behavioral, and clinical characteristics of men who have sex with men (N = 162) included in this study in Amsterdam, the Netherlands, 2018 to 2019a
| Age | |
| <35 yrs | 58 (36%) |
| 35–44 yrs | 48 (30%) |
| ≥45 yrs | 56 (35%) |
| Education | |
| Primary/secondary | 35 (22%) |
| College/university | 106 (65%) |
| Unknown | 21 (13%) |
| Gender of sex partners | |
| Men | 160 (99%) |
| Men and women | 2 (1%) |
| No. of sex partners (6 mo)b | |
| Median (IQR) | 6 (4 to 15) |
| <5 | 46 (28%) |
| 5 to 9 | 45 (28%) |
| 10 to 14 | 24 (15%) |
| ≥15 | 44 (27%) |
| Unknown | 3 (2%) |
| HIV status | |
| Negative | 112 (69%) |
| Positive | 50 (31%) |
| cART use if HIV positive | |
| No | 3 (6%) |
| Yes | 47 (94%) |
| Most recent CD4 count (cells/μL) | |
| <350 | 0 (0%) |
| 350 to 499 | 2 (4%) |
| ≥500 | 33 (66%) |
| Unknown | 15 (30%) |
| RPR titre | |
| Median [IQR] | 16 (2 to 32) |
| Negativec | 24 (15%) |
| 1:1 to 1:4 | 30 (19%) |
| 1:8 to 1:16 | 56 (34%) |
| 1:32 to 1:128 | 52 (32%) |
a
IQR, interquartile range; HIV, human immunodeficiency virus; cART, combination antiretroviral therapy; RPR, Rapid Plasma Reagin test.
b
Number of sex partners in the 6 months before the consultation.
c
Of these 24 patients, 22 had primary syphilis with an ulcer and two without symptoms, but with a seroconversion of the chemoluminence immunoassay.