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

Table 7

Chemotherapy and medications.

Chemo	No	Yes	Total	Fisher’s value
	Use of opioids
No	9	12	21	0.5733
Yes	11	21	32
	Use of gabapentin
No	16	5	21	0.2403
Yes	29	3	32
	Use of TCA
No	18	3	21	0.6711
Yes	29	3	32
	Use of NSAIDs
No	13	8	21	0.2017
Yes	26	6	32