Volume 13, Number 8—August 2007
Dispatch
Invasive Meningococcal Disease, Utah, 1995–2005
Table 1
Rates of invasive meningococcal disease by age group, Utah, 1995–2005*
Age, y | No. period 1 cases | No. period 2 cases | Period 1 rate/100,000 | Period 2 rate/100,000 | Rate difference |
---|---|---|---|---|---|
<1 | 17 | 9 | 7.98 | 3.07 | −4.91 |
1–4 | 14 | 4 | 1.75 | 0.36 | −1.39 |
5–14 | 10 | 4 | 0.53 | 0.17 | −0.37 |
15–24 | 20 | 15 | 1.03 | 0.58 | −0.45 |
25–34 | 4 | 3 | 0.25 | 0.26 | 0.01 |
35–44 | 6 | 2 | 0.40 | 0.11 | −0.29 |
45–54 | 4 | 2 | 0.39 | 0.13 | −0.26 |
55–64 | 3 | 2 | 0.48 | 0.20 | −0.27 |
65–74 | 3 | 1 | 0.61 | 0.16 | −0.46 |
75–84 | 2 | 1 | 0.66 | 0.24 | −0.42 |
>85 | 1 | 1 | 1.03 | 0.68 | −0.35 |
Total | 84 | 44 | 0.80 | 0.30 | −0.50 |
*Period 1, 1995–1999; period 2, 2000–2005.