What was the margin in the AP direction when an
offline
marker based correction protocol was used?
A. 5 mm
B. 8mm
C. 10 mm
D. 12 mm
E. 15 mm
F. Larger than 15 mm
5 mm
8mm
10 mm
12 mm
15 mm
Larger than 15 mm
0%
44%
3%
6%
26%
21%