Table 2.

Angle groups in clustered angle data set

Angle cluster	Angle range in degrees (positive values = deformation towards lumen)
1	−110 to 101
2	−100 to 91
3	−90 to 81
4	−80 to 71
5	−70 to 61
6	−60 to 51
7	−50 to 41
8	−40 to 31
9	−30 to 21
10	−20 to 11
11	−10 to 1
12	0 to 10
13	11 to 20
14	21 to 30
15	31 to 40
16	41 to 50
17	51 to 60
18	61 to 70
19	71 to 80
20	81 to 90
21	91 to 100
22	101 to 110