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. 2017 Apr 25;22(3):258–263. doi: 10.1016/j.rpor.2016.12.001

Table 1.

Performance of 4 acquisitions in distance values derived from four holes.

Angle (tube) Upper right-upper left (mm) Upper left-lower left (mm) Lower left-lower right (mm) Lower right-upper right (mm)
CW: 5°–220° (No.1) 49.9 49.9 50.1 50.1
CCW: 85°–230° (No. 1) 50.1 50.1 50.1 50.1
CW: 275°–130° (No. 2) 50.2 50.1 50.1 50.2
CCW: 355°–140° (No. 2) 50.1 50.1 50.1 50.1

CW, clock wise; CCW, counter clock wise.