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Table 2 The accuracy of the Ishii score chart in predicting sarcopenia

From: The accuracy of the Ishii score chart in predicting sarcopenia in the elderly community in Chengdu

Model Sensitivity Specificity Positive predictive values Negative predictive values Positive likelihood ratio Negative likelihood ratio
Male
 sarcopenia original cut-off 64.94 % 85.46 % 47 % 92 % 4.47 0.41
new cut-off 70.65 % 81.35 % 49 % 92 % 3.79 0.36
Female
 sarcopenia original cut-off 46.91 % 93.22 % 58 % 90 % 6.92 0.57
new cut-off 75.31 % 79.9 % 43 % 94 % 3.75 0.31
  1. Sarcopenia: the presence of low muscle mass plus the presence of either low muscle strength or low physical performance. The original cut-off point was recommended by the Ishii score chart: 120 for females and 105 for males; The new cut-off was the highest score of the Youden index:102 for females and 95 for males