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Graph of CTN/M of TL and KD. The mean CTN/M of KD (1.1 ± 0.27) is significantly higher than that of TL (0.6 ± 0.31). When 0.7 was used as the cutoff value for the CTN, a sensitivity of 94.7% and a specificity of 76.7% were achieved for differentiating KD from TL.
