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The ROC curves of three screening methods according to AWGS 2019. A All patients, B low ILD-GAP score group, C high ILD-GAP score group. AUC, area under the curve; CalF, calf circumference; ROC, receiver operating characteristic; the SARC-F, the strength, assistance in walking, rising from a chair, climbing stairs, and falls; the SARC-CalF, the SARC-F combined with calf circumference
