Table 1.

Demographics assessments for all participants

	PHN (n = 27)	NC (n = 27)	P value
Age (y, mean ± SD)	58.93 ± 14.597	55.70 ± 15.384	0.433
Gender (M/F)	16/11	15/12	0.788
BMI (kg/m2, median ± SD)	21.65 ± 2.85	22.29 ± 2.33	0.37
Education (y, mean ± SD)	10.52 ± 3.23	10.41 ± 3.41	0.903
PHQ-9 (score, median [IQR])	8.0(3.0–13.0)	1.0 (0.0–6.0)	0.002
GAD-7 (score, median [IQR])	5.0(1.0- 7.0)	0.0 (0.0–4.0)	0.006
ISI (score, median [IQR])	10.0(8.0–13.0)	1.0 (1.0–7.0)	0.000

SD standard deviation, BMI body mass index, n sample size, PHQ-9 Patient Health Questionnaire-9, GAD-7 Generalized Anxiety Disorder Screener-7, NRS numerical rating scale, ISI Insomnia Severity Index