Table 5.

Median (1st–99th centile range) Jaccard indices, false positive rates and false negative rates of the automated whole brain segmentations of MAPS, BET, BSE and HWA using 1.5T scans of 200 controls, 338 MCI and 144 AD.

		Jaccard index (using thresholded segmenta- tions)	False positive rate / % (using thresholded seg- mentations)	False negative rate / %
MAPS	Control	0.981 (0.041)	0.196 (0.440)	0.015 (0.226)
	MCI	0.981 (0.049)	0.177 (0.523)	0.011 (0.229)
	AD	0.980 (0.059)	0.192 (0.661)	0.007 (0.346)
	All	0.981 (0.049)	0.184 (0.509)	0.010 (0.242)
BET	Control	0.972 (0.909)	0.214 (11.2)	0.616 (82.9)
	MCI	0.969 (0.686)	0.193 (9.75)	0.967 (35.8)
	AD	0.965 (0.796)	0.201 (9.74)	0.903 (60.1)
	All	0.969 (0.826)	0.200 (10.3)	0.802 (60.3)
BSE	Control	0.954 (0.989)	0.116 (7.91)	2.03 (99.1)
	MCI	0.952 (0.172)	0.108 (0.945)	2.37 (16.2)
	AD	0.946 (0.270)	0.126 (2.42)	1.56 (12.5)
	All	0.953 (0.217)	0.116 (1.91)	2.17 (15.7)
HWA	Control	0.970 (0.143)	0.308 (0.676)	0.010 (11.1)
	MCI	0.971 (0.120)	0.289 (0.904)	0.009 (9.38)
	AD	0.968 (0.286)	0.293 (4.39)	0.007 (10.2)
	All	0.970 (0.126)	0.297 (0.894)	0.009 (7.22)