Impact of Cold Weather on Setup Errors in Radiotherapy

Table 3

Comparison of rotational errors between the two groups.

Group	n	Rotational errors
		RX	RY	Rz
Cold weather group	26	0.9 (0.38, 1.73)	0.75 (0.4, 1.2)	0.75 (0.35, 1.1)
Usual weather group	112	0.8 (0.4, 1.2)	0.7 (0.3, 1.4)	0.7 (0.2, 1.1)
U		1378	1413	1357
		0.671	0.815	0.589

There were no significant differences in rotational error between the two groups ().