Table 3. Comparison of other segments between different groups.

Segments	Group 1	Group 2	Group 3	Group 4
Right S1	0	1	2	2
Right S2	0	1	0	1
Right S3	2	0	1	2
Right S1 + S3	0	1	1	1
Left S1	0	1	0	0
Left S3	1	1	1	1
Left S1 + S3	1	0	1	0
Left S1 + S2 + S3	3	1	1	2
Left S7 + S8	1	1	0	0