TABLE III.

Comparison of AUC values and corresponding standard deviations of 5 different prediction schemes by using GV features and OD features.

Feature fusion method	Based on OD features	Based on GV features	Based on GV and OD features
Scheme 1 (Taking maximum value)	\	0.550±0.105	\
Scheme 2 (Taking minimum value)	\	0.660±0.104	\
Scheme 3 (Taking mean value)	0.605±0.107	0.621±0.105	\
Scheme 4 (One-stage classification scheme)	0.646±0.099	0.669±0.099	0.697±0.098
Scheme 5 (Two-stage classification scheme)	\	\	0.816±0.071

Note: “\” means no corresponding AUC values or AUC≤0.5