Randomized controlled trial comparing the effectiveness of the ultrasound-guided galvanic electrolysis technique (USGET) versus conventional electro-physiotherapeutic treatment on patellar tendinopathy

Journal of Experimental Orthopaedics

Table 3 Correlation analysis for the whole series

CORRELATIONS
				VISA-P Last Eval.
TOTAL	Group 1 (Electro-physiotherapy)	VISA-P Initial Eval.	(r)	0,774
			(r²)	0,599 (59,9%)
			p (value)	0,000
	Group 2 (USGET)	VISA-P Initial Eval.	(r)	0,57
			(r²)	0,325 (32,5%)
			p (value)	0,001
	TOTAL	VISA-P Initial Eval.	(r)	0,676
			(r²)	0,457 (45,7%)
			p (value)	0,000
VISA-P < 90 Final Eval.	Group 1 (Electro-physiotherapy)	VISA-P Initial Eval.	(r)	0,88
			(r²)	0,774 (77,4%)
			p (value)	0,000
	Group 2 (USGET)	VISA-P Initial Eval.	(r)	0,818
			(r²)	0,669 (66,9%)
			p (value)	0,013
	TOTAL	VISA-P Initial Eval.	(r)	0,859
			(r²)	0,738 (73,8%)
			p (value)	0,000
VISA-P ≥ 90 Final Eval.	Group 1 (Electro-physiotherapy)	VISA-P Initial Eval.	(r)	−0,491
			(r²)	0,241 (24,1%)
			p (value)	0,125
	Group 2 (USGET)	VISA-P Initial Eval.	(r)	−0,136
			(r²)	0,018 (1,8%)
			p (value)	0,548
	TOTAL	VISA-P Initial Eval.	(r)	−0,262
			(r²)	0,069 (6,9%)
			p (value)	0,140

Victorian Institute of Sport Assessment-Patella (VISA-P). Pearson Correlation Coefficient (r). Coefficient of Determination (r2) (% of Variance Explained). p = non-parametric Wilcoxon test