Table 2.

Proportion of subjects from each group that attain the minimal clinically important change (MCIC) in each and all three of the outcome measures

MCIC	NS (n = 19)	D (n = 27)	PNS (n = 9)	M (n = 19)	χ2 b	p valueb
Pain NRS	11% (n = 2)	15% (n = 4)	56% (n = 5)	16% (n = 3)	7.29	0.057
GPC	16% (n = 3)	33% (n = 9)	78% (n = 7)	16% (n = 3)	12.20	0.005
RMDQ	67% (n = 12)a	67% (n = 18)	89% (n = 8)	42% (n = 8)	6.10	0.104
Responder	11% (n = 2)	15% (n = 4)	56% (n = 5)	11% (n = 2)	7.98	0.031c

NS central sensitization, D denervation, PNS peripheral nerve sensitization, M musculoskeletal, NRS numerical rating scale, GPC global perceived change, RMDQ Roland Morris Disability Questionnaire, Responder achieved MCIC in all three of the outcome measures

^aMissing data n = 1

^bFishers exact test values and p values

^cp values for pair-wise comparisons (Fisher’s exact test): NS-PNS: 0.02; D-PNS: 0.026; M-PNS: 0.016. All other pair-wise comparisons were not significant with p > 0.48