Table 2 Correlation coefficients between FIM motor, FIM cognitive, FIM total score, and each parameter (Spearman’s Correlation Analysis)

Age

−0.146**

−0.163**

− 0.173**

Sex

0.071

−0.003

0.056

Stroke

−0.213**

−0.442**

− 0.271**

Bone fracture

0.213**

0.274**

0.232**

CCI

−0.163**

−0.109*

− 0.165**

mRS

−0.718**

− 0.398**

− 0.692**

FOIS

0.532**

0.511**

0.552**

DSS

0.499**

0.438**

0.510**

MNA-SF

0.436**

0.340**

0.448**

Number of present teeth

0.099

0.076

0.106*

Number of Functional teeth

0.095

0.082

0.093

OHAT total score

−0.269**

−0.232**

−0.277**