Table 5. Annual rates of radiation exposure from cardiac imaging procedures, per 1000 enrollees.
| No exposure | >0-3mSv/year | >3-20mSv/year | >20mSv/year | |
|---|---|---|---|---|
| ALL | 905.4 | 2.3 | 89.0 | 3.3 |
| Age Groups | ||||
| 18-34 | 985.4 | 1.0 | 13.5 | 0.1 |
| 35-44 | 941.0 | 1.8 | 56.3 | 1.0 |
| 45-54 | 877.8 | 2.7 | 115.5 | 3.9 |
| 55-64 | 790.6 | 4.3 | 195.0 | 10.1 |
| Gender | ||||
| Male | 895.2 | 1.8 | 97.8 | 5.2 |
| Female | 914.6 | 2.8 | 81.0 | 1.7 |
| Men in Age Groups | ||||
| 18-34 | 983.3 | 0.8 | 15.8 | 0.2 |
| 35-44 | 935.7 | 1.2 | 61.6 | 1.5 |
| 45-54 | 868.8 | 1.8 | 123.3 | 6.1 |
| 55-64 | 763.3 | 4.0 | 217.2 | 15.5 |
| Women in Age Groups | ||||
| 18-34 | 987.3 | 1.1 | 11.5 | 0.1 |
| 35-44 | 945.8 | 2.3 | 51.5 | 0.5 |
| 45-54 | 886.0 | 3.5 | 108.5 | 2.0 |
| 55-64 | 816.0 | 4.5 | 174.4 | 5.1 |
| Service Market* | ||||
| Arizona | 916.9 | 2.6 | 73.0 | 3.0 |
| Dallas | 928.8 | 2.2 | 69.5 | 3.4 |
| Orlando | 871.2 | 2.4 | 118.4 | 4.1 |
| South Florida | 859.4 | 2.1 | 133.6 | 4.1 |
| Wisconsin | 925.1 | 2.3 | 71.5 | 2.2 |
*
Proportion adjusted for age and sex using direct standardization to the overall population
p<0.001 for comparisons across age, sex, age-sex and service market categories.