Table 3.

Paired t‐test for V_100%, D_0.3cc‐Cord, and D_1cc‐Bowel

Paired t‐test: P‐value (95% CI* for mean difference)	Institution 1	Institution 2
Institution 1 Cyberknife	VMAT	Cyberknife	VMAT	PBS
V100%	0.071 (−0.142, 2.882)	0.738 (−1.821, 2.477)	0.011 (0.442, 2.664)	0.01 (1.287, 3.259)
D0.3cc‐Cord	0.008 (−111.5, 561.1)	0.224 (−473, 127)	0.008 (−470.2, −94.6)	0.00 (−1275, −794)
D1cc‐Bowel	0.563 (−411, 707)	0.277 (−323, 998)	0.047 (−940, −9)	0.739 (−1286, 1746)