[Retracted] A Retrospective Study on the Efficacy of Two Different Rehabilitation Interventions on KOA: Shock Wave Therapy vs. Electroacupuncture Therapy

Table 2

NRS scoring criteria.

NRS scoring criteria
Pain scale	Score
	0	1-3	4-6	7-9	10
	Painless	Mild pain	Moderate pain	Severe pain	Worst pain