Table 3.

Comparison of the original clustering performance (left column) to the influence of overlapping atrophy patterns (middle column) and the larger brain volume (right column). Compared to the original experiments, overlapping atrophy patterns result in lower clustering performance, while larger brain volume shows no extensive clustering performance effects.

Experiment	Original experiments	Overlapping atrophy patterns	Larger brain volume
k=2 & ASL=0.1	0.610	0.501	0.562
k=2 & ASL=0.2	0.960	0.946	0.947
k=2 & ASL=0.3	0.962	0.962	0.962
k=3 & ASL=0.1	0.368	0.281	0.393
k=3 & ASL=0.2	0.934	0.879	0.926
k=3 & ASL=0.3	0.995	0.977	0.976
k=4 & ASL=0.1	0.091	0.111	0.210
k=4 & ASL=0.2	0.713	0.628	0.731
k=4 & ASL=0.3	0.966	0.967	0.965