TABLE. Newly reported* chronic hepatitis C cases,† by characteristic — National Notifiable Diseases Surveillance System, United States, 2018.
| Characteristic | No. (%) | Rate§ |
|---|---|---|
|
Total
|
137,713 (100.0)
|
54.1
|
|
Sex
| ||
| Male |
86,670 (63.1) |
69.1 |
| Female |
50,730 (36.9) |
39.2 |
|
Age group (yrs)
| ||
| 0–19 |
1,302 (0.9) |
2.1 |
| 20–29 |
25,353 (18.4) |
72.0 |
| 30–39 |
32,223 (23.4) |
95.0 |
| 40–49 |
19,707 (14.3) |
62.8 |
| 50–59 |
28,385 (20.7) |
84.1 |
| 60–69 |
25,360 (18.5) |
85.8 |
| ≥70 |
5,104 (3.7) |
18.2 |
|
Social generation (birth cohort)¶
| ||
| Alpha (born after 2012) |
176 (0.1) |
1.0 |
| Generation Z (born 1997–2012) |
3,120 (2.3) |
6.1 |
| Millennial (born 1981–1996) |
50,160 (36.5) |
89.7 |
| Generation X (born 1966–1980) |
31,688 (23.1) |
66.7 |
| Baby boomers (born 1945–1965) |
49,940 (36.3) |
79.8 |
| Silent (born 1928–1944) |
2,246 (1.6) |
—** |
| Greatest (born 1901–1927) | 104 (0.1) | —** |
* During 2018, cases of chronic hepatitis C were either not reportable by law, statute, or regulation; not reported; or otherwise unavailable to CDC from Alabama, Arizona, Arkansas, California, Delaware, District of Columbia, Hawaii, Indiana, Kentucky, Mississippi, Nevada, North Carolina, Rhode Island, and Texas.
† Only confirmed, newly diagnosed, chronic hepatitis C cases are included. Complete case definition is available at https://wwwn.cdc.gov/nndss/conditions/hepatitis-c-chronic/case-definition/2016/.
§ Cases per 100,000 population.
¶ In 2018, persons categorized in the Alpha Generation (born since 2012) were aged 0–5 years, Generation Z (born 1997–2012) were aged 6–21 years, millennials (born 1981–1996) were aged 22–37 years, Generation X (born 1966–1980) were aged 38–52 years, baby boomers (born 1945–1965) were aged 53–73 years, the Silent Generation (born 1928–1944) were aged 74–90 years, and the Greatest Generation (born 1901–1927) were aged ≥91 years.
** Rates cannot be calculated because single-year population size for persons aged ≥85 years are not available.