Table 1. Demographics and Clinical Measures.

Clinical Measure	cLBP Subjects (n=14)	Healthy Controls (n=14)
Age	46.93 (±14.56)	45.86 (±12.88)
Gender	9F (64.29%)	9F (64.29%)
HADS (total score)	12.07 (±5.3)	1.17 (±2.73)*
Avg Pain (0-10)	5.21 (±1.77)
Pain Duration (yrs)	8.21 (±2.1)
NPQ (% neuropathic pain)	35.71%
ODI (% disability)	16.8% (±5.13)	0

^*P<.01

^±= 1 standard deviation above and below the mean

cLBP = Chronic low back pain

HADS = Hospital Anxiety and Depression Scale

Avg Pain = Average pain on 11-point numerical rating scale (0-10)

NPQ = Neuropathic Pain Questionnaire

ODI – Oswestry Disability Index