Primary & Secondary Syphilis Cases
Five-year Average Number of Cases, Rates and Percent Distribution
By Gender and Selected Age Groups
Michigan Residents, 2016-2020

GenderAll AgesLess than 1515 to 1920 to 2425 to 2930 to 4445+
Average Number of Cases       
Total595.21.032.0109.8139.8195.4117.2
Male526.40.225.495.2125.2171.4109.0
Female68.80.86.614.614.624.08.2
Female to Male Ratio0.14.00.30.20.10.10.1
Percent Distribution       
Total 100.0 0.2 5.4 18.4 23.5 32.8 19.7
Male 100.0 0.0 4.8 18.1 23.8 32.6 20.7
Female 100.0 1.2 9.6 21.2 21.2 34.9 11.9
Age-specific Rate       
Total 6.0±0.2*     4.9±0.8 15.8±1.3 20.4±1.5 11.1±0.7 2.7±0.2
Male 10.7±0.4*     7.6±1.3 26.8±2.4 35.7±2.8 19.4±1.3 5.2±0.4
Female 1.4±0.1*     2.1±0.7 4.3±1.0 4.4±1.0 2.7±0.5 0.4±0.1

Notes:

Asterisk (*) indicates that data do not meet standards of reliability or precision.

A dash ("–") indicates quantity zero.

All Ages category includes records with unknown age.

Total (Both Sexes) category includes records with unknown sex.

Source: Michigan Disease Surveillance System, MDHHS.

Last Updated: 08/03/2020