Wireless Neuromodulation for Chronic Back Pain: Delivery of High-Frequency Dorsal Root Ganglion Stimulation by a Minimally Invasive Technique

Table 1

EQ-5D-5L.

Variable	Mobility	Self-care	Activity	Pain	Anxiety	State	EQ-VAS
Description	1 = no problems	1 = no problems	1 = no problems	1 = no pain	1 = not anxious	5-digit code for EQ-5D-5L	999 = missing value
	2 = slight problems	2 = slight problems	2 = slight problems	2 = slight pain	2 = slightly anxious
	3 = moderate problems	3 = moderate problems	3 = moderate problems	3 = moderate pain	3 = moderately anxious
	4 = severe problems	4 = severe problems	4 = severe problems	4 = severe pain	4 = severely anxious
	5 = unable to	5 = unable to	5 = unable to	5 = extreme pain	5 = extremely anxious
Baseline	4	4	4	4	3	44,443	20
6 months	2	2	2	3	2	22,232	73