Collective U.S. Exposure (Dose) from Selected Modalities and Comparison Between Early 1980s and 2006
| 1980/1982* (NCRP, 1989a) | 2006† (NCRP report 160) | Ratio (2006)/(1980/1982)‡ | ||||
| Procedure | EUS (mSv) | Collective HE (personSv)§ | EUS (mSv) | S (person-Sv) | EUS | Collective dose |
| CT | 0.016 | 3,660 | 1.47 | 440,000 | 92 | 120 |
| Conventional radiography and fluoroscopy | 0.36 | 83,700 | 0.33 | 100,000 | 0.9 | 1.2 |
| Interventional fluoroscopy‖ | 0.018 | 4,200 | 0.43 | 128,000 | 24 | 31 |
| Nuclear medicine‖ | 0.14 | 32,100 | 0.77 | 231,000 | 5.5 | 7.2 |
| Total | 0.53 | 123,700 | 3.00 | 899,000 | 5.7 | 7.3 |
↵* Conventional radiography and fluoroscopy, CT, and interventional-fluoroscopic data apply to 1980 (U.S. population, 226.5 million); nuclear-medicine data apply to 1982 (U.S. population, 231.6 million).
↵† U.S. population, 300 million.
↵‡ U.S. population, 1.32 million in 1980 and 1.30 million in 1982.
↵§ Values differ slightly from those reported in NCRP (19) and Tables 8.2 and 8.3 of NCRP report 160 (1).
↵‖ Noted as “other” in NCRP (20).
Adapted with permission of (1).