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Table 1 Estimated E (Effective doses) for AP (antero-posterior), PA (postero-anterior) and LAT (lateral) projections for the investigation of scoliosis

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

Author Age of patients (y) Subgroups Number of patients Mean AP projection E (mSv) Mean PA projection E (mSv) Mean LAT projection E (mSv)
Mogaadi et al. [16] 0-15   86 0.503 0.252 0.421
16-22   13 0.798 0.422 0.597
Gialousis et al. [17] 4-7 Hospital A * 0.050 0.030 0.120
  Hospital B * 0.220 0.210 N/R
8-12 Hospital A * 0.270 0.120 0.110
  Hospital B * 0.440 0.240 0.410
13-18 Hospital A * 0.290 0.170 0.260
  Hospital B * 0.470 0.250 0.290
Hansen et al. [18] 1-2   4 0.540 N/R 0.270
3-6   9 0.540 0.230 0.270
7-12   14 0.800 0.440 0.470
  13-17   22 1.090 0.490 0.540
  1. y year of age. *In the paper by Gialousis et al patients were 31 in Hospital A and 105 in Hospital B, but the number of patients by age was not provided.