(a).

Measures	SAT II scores
	Pain improvement	Impact summary	Treatment continuation	Treatment comparison
BPI-DN item 5	−0.55∗∗∗	−0.46∗∗∗	−0.30∗∗∗	−0.51∗∗∗
BPI-DN item 5 change from baseline	−0.60∗∗∗	−0.54∗∗∗	−0.40∗∗∗	−0.60∗∗∗
BPI-DN item 9F	−0.42∗∗∗	−0.34∗∗∗	−0.22∗∗∗	−0.40∗∗∗
BPI-DN item 9F change from baseline	−0.55∗∗∗	−0.55∗∗∗	−0.35∗∗∗	−0.61∗∗∗
HADS anxiety subscale	−0.10	−0.07	−0.09	−0.12∗
HADS anxiety subscale change from baseline	−0.08	−0.09	−0.09	−0.10
HADS depression subscale	−0.11∗	−0.10	−0.10	−0.11∗
HADS depression subscale change from baseline	−0.13∗	−0.13∗	−0.14∗	−0.19∗∗
PGIC	−0.79∗∗∗	−0.76∗∗∗	−0.57∗∗∗	−0.78∗∗∗
EQ-5D index	0.30∗∗∗	0.26∗∗∗	0.22∗∗∗	0.30∗∗∗
EQ-5D index change from baseline	0.32∗∗∗	0.31∗∗∗	0.30∗∗∗	0.38∗∗∗
EQ-5D VAS	0.20∗∗	0.16∗	0.16∗	0.19∗∗
EQ-5D VAS change from baseline	0.19∗∗	0.19∗∗	0.15∗	0.17∗

¹Spearman's rank order correlation. ^∗p < 0.05; ^∗∗p < 0.001; ^∗∗∗p < 0.0001.