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

Table 5

Characteristics of chronic pain.

		Chronic pain					Fisher’s
Variable		No	Yes	Total	% no	% yes	value
Gender	Female	10	4	14	71.4	28.6	0.748
	Male	25	14	39	64.1	35.9
Staging	Stage 1 or 2	4	4	8	50.0	50.0	0.679
	Stage 3 or 4	17	9	26	65.4	34.6
Surgery	No	22	10	32	68.8	31.3	0.768
	Yes	13	8	24	54.2	33.3
Chemo	No	16	5	21	76.2	23.8	0.247
	Yes	19	13	32	59.4	40.6
Opioids	No	18	2	20	90.0	10.0	0.006
	Yes	17	16	33	51.5	48.5
Gabapentin	No	33	12	45	73.3	26.7	0.014
	Yes	2	6	8	25.0	75.0
TCA	No	32	15	47	68.1	31.9	0.397
	Yes	3	3	6	50.0	50.0
NSAID	No	28	11	39	71.8	28.2	0.191
	Yes	7	7	14	50.0	50.0
Number of sites of pain	0	20	1	21	95.2	4.8	<0.0001
	1	11	4	15	73.3	26.7
	2+	4	13	17	23.5	76.5
Variable	Chronic pain	N	Mean	Std. dev.	Std. error	t-test
Age	Pain = no	35	62.23	13.831	2.338	0.425
	Pain = yes	18	59.28	9.916	2.337
Dose	Pain = no	35	5854	1562.68	264.14	0.149
	Pain = yes	18	6470	1191.5	280.84
Duration	Pain = no	35	42.37	14.534	2.457	0.604
	Pain = yes	18	44.33	8.957	2.111