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. 2015 Aug 5;2(4):041002. doi: 10.1117/1.JMI.2.4.041002

Table 6.

Change in number of patients required for clinical effect size of 30% as a function of patient girth for neighborhood difference metrics.

  Small girth (850 mm)   Large girth (1200 mm)
37 mm 28 mm 22 mm 17 mm 37 mm 28 mm 22 mm 17 mm
Coarseness 6 9 9 12 Coarseness 10 15 21 38
Contrast 13 15 34 38 Contrast 19 21 62 88
Busyness 10 11 7 27 Busyness 11 15 12 73
Complexity 11 11 16 14 Complexity 12 13 28 41
Strength 22 25 38 52 Strength 24 38 66 126