Fig. 5

The C index values of the AIMS65 score system and the prediction model for the training and validation groups. (A) The C index values of the AIMS65 score system and the prediction model for the training group were 0.61 and 0.72, respectively. (B) The C index values of the AIMS65 score system and the prediction model for the validation group were 0.667 and 0.828, respectively