Table 4

Baseline characteristics of participants by initial versus repeat syphilis presentation (retrospective study)

Initial syphilisRepeat syphilis*
N=1027530
Men1003 (97.7)528 (99.6)**
Median age years (IQR)42.0 (34.1–49.3)44.9 (37.4–50.0)**
Region of origin
 Europe/North America427 (41.6)234 (44.2)
 Asia13 (1.3)11 (2.1)
 Sub-Saharan Africa11 (1.1)3 (0.5)
 North Africa7 (0.7)1 (0.2)
 Latin America24 (2.3)4 (0.8)
 Oceania1 (0.1)0 (0)
 Unknown544 (53.0)280 (52.8)
  HIV infected808 (78.7)524 (98.9)**
  • Data are n (%), median (IQR).

  • *p Values in this column are for comparison between initial and repeat syphilis and denoted as follows: *p<0.05, **p<0.005.