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Table 1 Median (interquartile range) prevalence of seven sexually transmitted infections in all countries and those in sub Saharan Africa

From: Strong associations between national prevalence of various STIs suggests sexual network connectivity is a common underpinning risk factor

  Na All countries Na Sub Saharan Africa
HIV 170 0.4 (0.1–1.6) 51 3.5 (1–7.9)
HSV-2 64 27.2 (17.5–50.9) 20 64 (50.9–79.5)
Chlamydia 166 2.5 (2.2–3.4) 51 2.2(2.1–2.2)
Gonorrhea 166 0.9 (0.8–1.0) 51 1.1 (1.0–1.2)
Syphilis 166 0.01 (0.009–0.02) 51 0.02 (0.02–0.02)
BV 42 18.3 (13.7–29.2) 13 30.3 (25.0–38.1)
Trichomoniasis 166 2.3 (2.0–3.9) 51 4.1(4.0–4.2)
  1. a Number of countries with data for those with peak HIV prevalence data available
  2. Abbreviations: HIV human immunodeficiency virus, HSV-2 herpes simplex virus-2, BV bacterial vaginosis