# Chlamydia, gonorrhoea, trichomoniasis and syphilis: global prevalence and incidence estimates, 2016

“Chlamydia, gonorrhoea, trichomoniasis and syphilis: global prevalence and incidence estimates, 2016” (2019), by Jane T. Rowley et al. Immunology and Microbiology research paper. Original abstract below, unchanged. No free PDF was found.

- Authors: Jane T. Rowley, Stephen Vander Hoorn, Eline L. Korenromp, Nicola N Low, Magnus Unemo, Laith Jamal Abu-Raddad, R Matthew Chico, Alex Smolak, Lori Marie Newman, Sami L. Gottlieb et al.
- Published: June 6, 2019
- Field: Immunology and Microbiology
- DOI: https://doi.org/10.2471/blt.18.228486
- Source: https://doi.org/10.2471/blt.18.228486

## Abstract

OBJECTIVE: To generate estimates of the global prevalence and incidence of urogenital infection with chlamydia, gonorrhoea, trichomoniasis and syphilis in women and men, aged 15-49 years, in 2016. METHODS: For chlamydia, gonorrhoea and trichomoniasis, we systematically searched for studies conducted between 2009 and 2016 reporting prevalence. We also consulted regional experts. To generate estimates, we used Bayesian meta-analysis. For syphilis, we aggregated the national estimates generated by using Spectrum-STI. FINDINGS: For chlamydia, gonorrhoea and/or trichomoniasis, 130 studies were eligible. For syphilis, the Spectrum-STI database contained 978 data points for the same period. The 2016 global prevalence estimates in women were: chlamydia 3.8% (95% uncertainty interval, UI: 3.3-4.5); gonorrhoea 0.9% (95% UI: 0.7-1.1); trichomoniasis 5.3% (95% UI:4.0-7.2); and syphilis 0.5% (95% UI: 0.4-0.6). In men prevalence estimates were: chlamydia 2.7% (95% UI: 1.9-3.7); gonorrhoea 0.7% (95% UI: 0.5-1.1); trichomoniasis 0.6% (95% UI: 0.4-0.9); and syphilis 0.5% (95% UI: 0.4-0.6). Total estimated incident cases were 376.4 million: 127.2 million (95% UI: 95.1-165.9 million) chlamydia cases; 86.9 million (95% UI: 58.6-123.4 million) gonorrhoea cases; 156.0 million (95% UI: 103.4-231.2 million) trichomoniasis cases; and 6.3 million (95% UI: 5.5-7.1 million) syphilis cases. CONCLUSION: 1.

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