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. Author manuscript; available in PMC: 2013 Jul 10.
Published in final edited form as: N Engl J Med. 2009 Aug 27;361(9):849–857. doi: 10.1056/NEJMoa0901249

Table 2. Rates of Low, Moderate, High and Very High Annual Effective Doses From Medical Imaging Procedures.

Rates of Low, Moderate, High, and Very High Annual Effective Doses per 1000
Low ≤3 mSv/year Moderate >3 to 20 mSv/year High >20 to 50 mSv/year Very High >50 mSv/year
All individuals 785.7 193.8 18.6 1.9
Age groups
 18-34 895.9 98.7 4.9 0.5
 35-39 845.5 145.2 8.5 0.8
 40-44 809.3 177.5 12.0 1.2
 45-49 770.4 209.2 18.4 2.0
 50-54 719.0 252.2 26.2 2.7
 55-59 668.4 289.7 38.4 3.5
 60-64 598.2 343.4 52.7 5.7
Gender
 Men 796.0 182.8 19.4 1.8
 Women 776.4 203.8 17.9 1.9
Age groups, men
 18-34 912.2 83.4 3.9 0.4
 35-39 860.1 133.1 6.3 0.6
 40-44 826.2 161.9 11.1 0.8
 45-49 786.3 194.1 17.8 1.8
 50-54 728.0 242.0 27.3 2.7
 55-59 664.7 287.2 44.1 4.0
 60-64 587.0 346.0 60.6 6.4
Age groups, women
 18-34 881.4 112.4 5.7 0.6
 35-39 832.1 156.3 10.6 1.0
 40-44 793.8 191.8 12.8 1.6
 45-49 755.8 223.0 19.0 2.1
 50-54 711.1 261.1 25.1 2.7
 55-59 671.7 292.0 33.2 3.1
 60-64 609.4 340.9 44.8 4.9
Markets*
 Arizona 853.7 132.3 12.8 1.1
 Dallas 860.7 125.2 12.7 1.4
 Orlando 836.8 147.6 14.4 1.2
 South Florida 814.9 168.5 15.4 1.2
 Wisconsin 884.1 105.6 9.4 0.9
*

Annual rates reported in markets are age- and gender-adjusted by direct standardization using the entire study population as a reference