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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: J Ultrasound Med. 2016 Jul 14;35(9):1889–1897. doi: 10.7863/ultra.15.04065

Table 2. Area Under the Curve Values at Different Canny Edge Detection Thresholds for the 6-Muscle Average.

Threshold AUC 95% CI
0.05 0.95 0.83–0.99
0.10 0.90 0.77–0.97
0.15 0.87 0.73–0.96
0.20 0.82 0.67–0.92
0.40 0.55 0.39–0.71
0.60 0.60 0.44–0.75
0.80 0.56 0.39–0.71
0.95 0.57 0.41–0.72

AUC indicates area under the curve; and CI, confidence interval.