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. 2017 Apr 3;18(3):526–535. doi: 10.3348/kjr.2017.18.3.526

Table 4. Comparison of Subjective Index Score (Median, n = 24).

kVp Severity of Metal Artifacts Homogeneity of Muscle Visibility of Inter-Muscular Space Definition of Bony Structures
Non-O-MAR O-MAR P Non-O-MAR O-MAR P Non-O-MAR O-MAR P Non-O-MAR O-MAR P
140 3 5 < 0.001 1 4 < 0.001 1.5 4 0.001 3 5 < 0.001
120 2 4 < 0.001 1 3 < 0.001 1.5 3.5 0.001 3 4 < 0.001
100 2 3 < 0.001 1 3 < 0.001 1 3 < 0.001 2 4 < 0.001
80 1 3 < 0.001 1 3 < 0.001 1 3 < 0.001 2 3 < 0.001

O-MAR = orthopedic metal artifact reduction