Table 3.

Internal Coherence of the Polish Version of the SARC-F Questionnaire

SARC- F Item	Correlation	p-value
Strength	0.833	<0.001
Assistance with walking	0.647	<0.001
Rising from a chair	0.735	<0.001
Climbing stairs	0.678	<0.001
Falls	0.625	<0.001

Notes: Cronbach’s alpha= 0.784. The item-total score correlations were analyzed using the Spearman test.