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Volume 31, Number 7—July 2025
Dispatch
Lyme Disease Testing Practices, Wisconsin, USA, 2016–2019
Kiersten J. Kugeler
, Erica Scotty, Austin Earley, Alison F. Hinckley, Sarah A. Hook, Courtney C. Nawrocki, Alexandra M. Linz, Jennifer Meece, and Anna M. Schotthoefer
, Erica Scotty, Austin Earley, Alison F. Hinckley, Sarah A. Hook, Courtney C. Nawrocki, Alexandra M. Linz, Jennifer Meece, and Anna M. Schotthoefer
Table 1
Patient characteristics and positivity rates of Lyme disease serologic testing for Lyme disease testing practices, Wisconsin, USA, 2016–2019*
| Characteristic | No. (%) test episodes | % Positive (95% CI) |
|---|---|---|
| Patient sex† | ||
| F | 21,656 (51.5) | 5.8 (5.5–6.1) |
| M |
20,420 (48.5) |
8.1 (7.7–8.5) |
| Patient race/ethnicity | ||
| American Indian/Alaska Native | 303 (0.7) | 6.9 (4.6–10.4) |
| Asian | 302 (0.7) | 8.6 (6.0–12.3) |
| Black or African American | 130 (0.3) | 5.4 (2.6–10.7) |
| Native Hawaiian/other Pacific Islander | 28 (0.1) | 7.1 (2.0–22.7) |
| White | 37,457 (86.6) | 7.1 (6.8–7.3) |
| >1 race | 199 (0.5) | 5.5 (3.1–9.6) |
| Hispanic | 623 (1.5) | 5.6 (4.1–7.7) |
| Unknown or not reported |
4,035 (9.6) |
5.9 (5.2–6.6) |
| Testing month | ||
| January | 1,835 (4.4) | 4.6 (3.8–5.7) |
| February | 1,563 (3.7) | 4.0 (3.1–5.1) |
| March | 1,746 (4.2) | 4.8 (3.9–5.9) |
| April | 2,243 (5.3) | 5.1 (4.3–6.1) |
| May | 4,215 (10.0) | 5.0 (4.3–5.7) |
| June | 6,229 (14.8) | 6.7 (6.1–7.3) |
| July | 6,399 (15.2) | 9.6 (8.9–10.4) |
| August | 5,306 (12.6) | 9.4 (8.6–10.2) |
| September | 3,696 (8.8) | 7.3 (6.5–8.2) |
| October | 3,648 (8.7) | 7.2 (6.4–8.1) |
| November | 3,022 (7.2) | 5.8 (5.0–6.7) |
| December | 2,175 (5.2) | 5.4 (4.5–6.4) |
*Results reflect 42,077 test episodes. †One patient missing data on sex.
Page created: May 09, 2025
Page updated: May 22, 2025
Page reviewed: May 22, 2025
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