Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12911-020-01355-z/MediaObjects/12911_2020_1355_Fig2_HTML.png)
Path diagram for the patient group. Significant path coefficient was obtained for all cases. Squares represent measured variables, and values are path coefficients. e1 – e4 represent errors. *p < 0.05, **p < 0.01, ***p < 0.001
Path diagram for the patient group. Significant path coefficient was obtained for all cases. Squares represent measured variables, and values are path coefficients. e1 – e4 represent errors. *p < 0.05, **p < 0.01, ***p < 0.001