Table 1. Demographic and clinical... | American Society of Hematology

Table 1.

Demographic and clinical characteristics of participants who likely have chronic pain and those who likely do not have chronic pain

Participant characteristics	Chronic pain (n = 14) N (%)	No chronic pain (n = 19) N (%)	P value
Age (median, IQR)	36 (23-36)	29 (30.5-44)	.042∗
Sex, female	7 (50.0)	8 (42.1)	.65†
Genotype
HbSS	7 (50.0)	14 (73.6)	.364†
HbSC	6 (42.9)	4 (21.1)
HbSβ+	1 (7.1)	1 (5.3)
Hydroxyurea use	9 (64.3)	17 (89.4)	.106†
Taking at least 1 type of opioid	12 (85.7)	13 (68.4)	.416†
Taking acetaminophen, ibuprofen, or naproxen	7 (50.0)	14 (73.7)	.459†
Treated for pain in the hospital or clinic in the past 3 months	11 (78.6)	7 (36.8)	.017†
Pain frequency in a typical month
No pain at all	0	3 (15.8)	N/A
1-2 times a month	0	9 (47.4)
1-2 times a week	0	5 (26.3)
More than 10 times a month	2 (14.3)	1 (5.3)
3-4 times a week	4 (28.6)	0
5-6 times a week	0	1 (5.3)
Everyday	8 (57.1)	0

Participant characteristics	Chronic pain (n = 14) N (%)	No chronic pain (n = 19) N (%)	P value
Age (median, IQR)	36 (23-36)	29 (30.5-44)	.042∗
Sex, female	7 (50.0)	8 (42.1)	.65†
Genotype
HbSS	7 (50.0)	14 (73.6)	.364†
HbSC	6 (42.9)	4 (21.1)
HbSβ+	1 (7.1)	1 (5.3)
Hydroxyurea use	9 (64.3)	17 (89.4)	.106†
Taking at least 1 type of opioid	12 (85.7)	13 (68.4)	.416†
Taking acetaminophen, ibuprofen, or naproxen	7 (50.0)	14 (73.7)	.459†
Treated for pain in the hospital or clinic in the past 3 months	11 (78.6)	7 (36.8)	.017†
Pain frequency in a typical month
No pain at all	0	3 (15.8)	N/A
1-2 times a month	0	9 (47.4)
1-2 times a week	0	5 (26.3)
More than 10 times a month	2 (14.3)	1 (5.3)
3-4 times a week	4 (28.6)	0
5-6 times a week	0	1 (5.3)
Everyday	8 (57.1)	0

Significant P values are shown in bold.

Mann-Whitney U test.

χ² test or Fisher exact test.