Table 5.

Indices contributing to anxiety presented in descending order according to the reduction in AUC caused by their removal from the proposed machine learning approach.

Rank	Removed index	AUC reduction (%)
1	JPSS	20.5
2	Digit span backward	13.5
3	Motor FIM on admission	10.3
4	Cognitive FIM improvement rate	6.91
5	TMT part B time	5.46
6	Position Stroop accuracy	4.14
7	Visual cancellation $△$time	1.84
8	CPT-SRT	1.25
9	Digit span forward	0.263

JPSS Japanese Perceived Stress Scale, FIM Functional Independence Measure, TMT Trail Making Test, CPT Continuous Performance Test, SRT Simple Reaction Time.