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Table 2 Score on the VISA-P scale at the initial and final evaluation by treatment Group

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

   VISA-p Initial Eval.a VISA-p Final Eval.a p. valueb
Group 1 (Electro-physiotherapy) n = 30 VISA-p < 90 n = 19 52.5(18.8) [43.5-61.6] 61.9 (13,7) [55.3–68.5] p < 0.001
  VISA-p > 90 n = 11 69.1 (9.1) [62.9-75.2] 95.2 (2.5) [93.5-96.9] p < 0.003
Group 2 (USGET) n = 30 VISA-p < 90 n = 8 51.4 (17.9) [36.4-66.3] 63.3 (14.3) [51.3-75.2] p < 0.021
  VISA-p > 90 n = 22 66.3 (13.1) [60.5-72.1] 97.1 (1.7) [96.3-97.8] p < 0.001
TOTAL n = 60 VISA-p < 90 n = 27 52.2 (18.2) [44.9-59.4] 62.3 (13.6) [56.9-67.7] p < 0.001
  VISA-p > 90 n = 33 67.2 (11.2) [63.0-71.4] 96.4 (2.1) [95.7-97.2] p < 0.001
  1. a Victorian Institute of Sport Assessment-Patella (VISA-P) values expressed as mean (±SD) and [coefficient interval]. b p = non-parametric Wilcoxon test
  2. Ranked as not healed (VISA-P < 90) and healed (VISA-P ≥ 90) at the final follow-up