Index C-index SE 95%CI P-value
Whole cohort RSI 0.9203 0.0099 [0.9008,0.9397] < 0.001
CLI 0.8377 0.0191 [0.8002,0.8752] < 0.001
TCRS 0.9334 0.0080 [0.9176,0.9491] < 0.001
Training cohort RSI 0.9291 0.0098 [0.9098,0.9483] < 0.001
CLI 0.8377 0.0236 [0.7914,0.8839] < 0.001
TCRS 0.9371 0.0077 [0.9221,0.9521] < 0.001
Validation cohort 1 RSI 0.9125 0.0270 [0.8596,0.9653] < 0.001
CLI 0.8479 0.0420 [0.7656,0.9303] < 0.001
TCRS 0.9454 0.0120 [0.9219,0.9689] < 0.001
Validation cohort 2 RSI 0.8894 0.0371 [0.8166,0.9621] < 0.001
CLI 0.8431 0.0492 [0.7466,0.9395] < 0.001
TCRS 0.9072 0.0404 [0.8281,0.9864] < 0.001