Table 35. Primary and Secondary Syphilis - Reported Cases and Rates of Reported Cases by Age Group and Sex, United States, 2009-2013

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Year	Age Group	Cases				Rates Per 100,000 Population*
Year	Age Group	Total	Male	Female	Unknown Sex	Total	Male	Female
2009	0- 4	1	0	1	0	0.0	0.0	0.0
	5- 9	1	0	1	0	0.0	0.0	0.0
	10-14	19	4	15	0	0.1	0.0	0.2
	15-19	1,005	661	344	0	4.7	6.0	3.3
	20-24	2,812	2,242	570	0	13.1	20.2	5.5
	25-29	2,405	2,027	377	1	11.1	18.2	3.6
	30-34	1,857	1,571	286	0	9.3	15.5	2.9
	35-39	1,612	1,409	203	0	7.8	13.6	2.0
	40-44	1,643	1,476	167	0	7.8	14.1	1.6
	45-54	2,033	1,815	218	0	4.6	8.3	1.0
	55-64	517	475	42	0	1.5	2.8	0.2
	65+	90	83	7	0	0.2	0.5	0.0
	Unknown Age	2	1	1	0
	TOTAL	13,997	11,764	2,232	1	4.6	7.8	1.4
2010	0- 4	1	0	1	0	0.0	0.0	0.0
	5- 9	0	0	0	0	0.0	0.0	0.0
	10-14	18	7	11	0	0.1	0.1	0.1
	15-19	932	617	313	2	4.2	5.5	2.9
	20-24	2,907	2,429	474	4	13.5	22.1	4.5
	25-29	2,455	2,131	322	2	11.6	20.0	3.1
	30-34	1,794	1,597	197	0	9.0	16.0	2.0
	35-39	1,454	1,313	140	1	7.2	13.1	1.4
	40-44	1,553	1,448	104	1	7.4	13.9	1.0
	45-54	2,056	1,877	176	3	4.6	8.5	0.8
	55-64	493	457	36	0	1.4	2.6	0.2
	65+	107	102	5	0	0.3	0.6	0.0
	Unknown Age	4	3	1	0
	TOTAL	13,774	11,981	1,780	13	4.5	7.9	1.1
2011	0- 4	9	5	4	0	0.0	0.0	0.0
	5- 9	1	1	0	0	0.0	0.0	0.0
	10-14	15	6	9	0	0.1	0.1	0.1
	15-19	864	606	258	0	4.0	5.5	2.5
	20-24	2,987	2,582	403	2	13.5	22.8	3.7
	25-29	2,546	2,277	268	1	12.0	21.2	2.5
	30-34	1,846	1,657	187	2	9.0	16.1	1.8
	35-39	1,382	1,265	115	2	7.1	13.0	1.2
	40-44	1,503	1,408	91	4	7.1	13.5	0.9
	45-54	2,123	1,999	120	4	4.7	9.1	0.5
	55-64	554	510	43	1	1.5	2.8	0.2
	65+	138	135	3	0	0.3	0.8	0.0
	Unknown Age	2	2	0	0
	TOTAL	13,970	12,453	1,501	16	4.5	8.1	0.9
2012	0- 4	1	1	0	0	0.0	0.0	0.0
	5- 9	0	0	0	0	0.0	0.0	0.0
	10-14	9	5	4	0	0.0	0.0	0.0
	15-19	880	640	238	2	4.1	5.8	2.3
	20-24	3,280	2,859	418	3	14.5	24.8	3.8
	25-29	2,911	2,641	266	4	13.6	24.4	2.5
	30-34	2,209	2,023	182	4	10.6	19.3	1.7
	35-39	1,563	1,443	120	0	8.0	14.9	1.2
	40-44	1,618	1,544	70	4	7.7	14.8	0.7
	45-54	2,439	2,310	128	1	5.5	10.6	0.6
	55-64	614	586	27	1	1.6	3.2	0.1
	65+	123	121	2	0	0.3	0.6	0.0
	Unknown Age	20	17	3	0
	TOTAL	15,667	14,190	1,458	19	5.0	9.2	0.9
2013	0- 4	5	2	3	0	0.0	0.0	0.0
	5- 9	0	0	0	0	0.0	0.0	0.0
	10-14	23	14	9	0	0.1	0.1	0.1
	15-19	900	700	200	0	4.2	6.4	1.9
	20-24	3,642	3,204	435	3	16.1	27.7	3.9
	25-29	3,329	3,037	286	6	15.6	28.0	2.7
	30-34	2,447	2,272	172	3	11.7	21.7	1.7
	35-39	1,800	1,674	125	1	9.2	17.2	1.3
	40-44	1,693	1,587	105	1	8.1	15.2	1.0
	45-54	2,614	2,495	119	0	5.9	11.4	0.5
	55-64	750	716	34	0	1.9	3.8	0.2
	65+	162	152	10	0	0.4	0.8	0.0
	Unknown Age	10	8	2	0
	TOTAL	17,375	15,861	1,500	14	5.5	10.3	0.9

*No population data are available for unknown sex and age; therefore, rates are not calculated.

Cases in the 0-4 and 5-9 age groups may include cases due to congenital transmission.

NOTE: This table should be used only for age comparisons.

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Page last reviewed: December 16, 2014 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention