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Table 3 Comparison of clinical outcome between 4 and 8 years of follow-up following arthroscopic patellar release [21]

From: Arthroscopic patellar release for treatment of chronic symptomatic patellar tendinopathy: long-term outcome and influential factors in an athletic population

Parameter 4 years follow-up 8 years follow-up Significance
VAS preoperatively 5.68 ± 1.08 5.73 ± 1.31 P = 0.862
VISA-P preoperatively 57.29 ± 11.35 55.07 ± 12.44 P = 0.997
Blazina preoperatively 4.03 ± 0.75 4.07 ± 0.79 P = 0.909
VAS postoperatively 0.57 ± 1.19 0.52 ± 1.02 P = 0.898
VISA-P postoperatively 95.07 ± 8.18 95.28 ± 8.15 P = 0.970
Blazina postoperatively 33 ± 0.66 0.31 ± 0.60 P = 0.854
Return to Sports (months) 4.35 ± 3.29 4.03 ± 3.23 P = 1.000
SANE 1.48 ± 0.85 1.37 ± 0.77 P = 0.880
Patient Satisfaction preoperatively 48.87 ± 18.15 45.33 ± 17.76 P = 0.996
Patient Satisfaction postoperatively 89.19 ± 12.05 90.00 ± 11.52 P = 0.997
Recurrence of symptoms 1.90 ± 0.30 1.87 ± 0.35 P = 0.654
  1. VISA-P Swedish Victorian Institute of sport assessment for patella, Blazina The modified Blazina score, VAS Visual Analogue Scale for knee pain, SANE Subjective knee function