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

Table 1

Demographic and clinicopathologic factors (categorical variables) (frequency and percentage of demographic factors including age, gender, and race and clinicopathologic factors such as histology, cancer staging, severity of pain, and cancer treatment).

Variable		n	%
Categorical variables
Gender	Female	14	26.4
	Male	39	73.6
Race	White	46	86.8
	AA	5	9.4
Histology	Squamous	47	88.7
Staging	1	4	7.6
	2	4	7.6
	3	5	9.4
	4	21	39.6
Surgery	No	32	60.4
	Yes	21	39.6
Chemo	No	21	39.6
	Yes	32	60.4
Severity of chronic pain	No pain	35	66.0
	Mild	1	1.9
	Moderate	4	7.5
	Severe	13	24.5
Medication
Use of opioids	No	20	37.7
	Yes	33	62.3
Use of gabapentin	No	45	84.9
	Yes	8	15.1
Use of TCAs for chronic pain	No	47	88.7
	Yes	6	11.3
Use of NSAIDs	No	39	73.6
	Yes	14	26.4