Fig. 5
The structural equation modeling diagram regarding the recovery to oral feeding. Lines with numbers indicate significant paths with standardized partial regression (β) coefficients (*P < 0.05). Arrows indicate an association between two factors. The β values ranged from − 1 to 1, with a positive value representing a positive correlation and a negative value representing a negative correlation. ACBs, anticholinergic cognitive burden scale; HDS-R, Hasegawa dementia rating scale-revised