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

BMC Geriatrics

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

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
sarcopenia	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
sarcopenia	new cut-off	75.31 %	79.9 %	43 %	94 %	3.75	0.31

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

ISSN: 1471-2318