Characteristics of Chronic Pain among Head and Neck Cancer Patients Treated with Radiation Therapy: A Retrospective Study

Table 9

XRT duration and medications.

		n	Mean	Std. dev.	Std. error	value	Test
Opioids	No	20	38.20	16.13	3.61	0.277	Mann–Whitney
	Yes	33	45.97	9.51	1.66
Gabapentin	No	45	41.89	13.36	1.99	0.124	t-test
	Yes	8	49.50	6.97	2.46
TCA	No	47	42.81	11.92	1.74	0.72	t-test
	Yes	6	44.83	20.19	8.24
NSAID	No	39	42.56	13.42	2.15	0.659	t-test
	Yes	14	44.36	11.47	3.07