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Table 3 Comparison between E (Effective doses) expected during radiological examinations typical of scoliosis diagnosis and treatment, and estimated E due to natural sources of Ionizing Radiations

From: A comparison approach to explain risks related to X-ray imaging for scoliosis, 2012 SOSORT award winner

E (mSv) Equivalent number of transatlantic flights Percentage of annual natural background (%) Equivalent in time spent at 1600 m amsl (days)* Equivalent in time spent at 3900 m amsl (days)*
0.100 2.7 4 64 18
0.500 13.3 21 320 90
1.000 26.7 42 641 181
Min E for projections of Table 1 AP, PA, LAT 1.3; 0.8; 3.2 2; 1; 5 32; 19; 77 9; 5; 22
Max E for projections of Table 1 AP, PA, LAT 29.1; 13.1; 15.9 45; 20; 25 698; 314; 383 197; 89; 108
  1. AP antero-posterior, PA postero-anterior, LAT lateral, Max maximum, Min minimum, amsl above mean sea level.
  2. * for people that live at sea level.