Table 5.

Patient head position characteristics and outcomes.

Patient	Size of AHP	Direction of AHP	Significant AHP at 2 years follow-up?	Significant AHP at last follow up?
1	Medium	Horizontal	Yes	Yes
2	Medium	Combined	Yes	Yes
3	Medium	Horizontal	Yes	Yes
4	Large	Horizontal	Yes	Yes
5	Medium	Horizontal	No	No
6	Medium	Horizontal	Yes	Yes
7	Medium	Horizontal	No	No
8	Medium	Combined	No	No
9	Small	Combined	Yes	No
10	Small	Combined	Yes	Yes
11	Medium	Vertical	No	Yes
12	Medium	Horizontal	No	No
13	Medium	Horizontal	No	No
14	Medium	Horizontal	Yes	Yes
15	Small	Vertical	Yes	No
16	Medium	Horizontal	Yes	No
17	Small	Horizontal	No	No
18	Medium	Vertical	Yes	Yes
19	Large	Horizontal	No	No
20	Medium	Combined	Yes	Yes
21	Medium	Horizontal	Yes	No
22	Small	Horizontal	Yes	Yes
23	Large	Horizontal	Yes	Yes
24	Large	Horizontal	Yes	Yes
25	Medium	Horizontal	Yes	Yes