Table 5.

Additional imaging response detection performance metrics (Matthews correlation coefficients) for each model and the two types of classifier

Predictor set	Support vector machines	Extremely randomised trees
Brain volume	0.132 [0.115–0.148]	0.179 [0.164–0.194]
Number of lesions	0.168 [0.152–0.184]	0.229 [0.214–0.243]
Total lesion volume	0.229 [0.213–0.245]	0.239 [0.223–0.255]
Best low-dimensional	0.354 [0.339–0.369]	0.355 [0.341–0.369]
Regional atrophy	0.576 [0.563–0.590]	0.620 [0.607–0.633]
Regional disconnection	0.544 [0.530–0.559]	0.559 [0.545–0.573]
Best high-dimensional	0.666 [0.653–0.679]	0.675 [0.662–0.689]

All figures are given as the mean Matthews correlation coefficient [95% CI]