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Table 4 Outcome analysis related to presence of IFP edema

From: Prognostic value of MRI in arthroscopic treatment of chronic patellar tendinopathy: a prospective cohort study

  IFP edema present IFP edema absent P-Value
Case Number [n, (%), total n = 30] 10 (33.3%) 20 (66.7%)  
Mean Age at Surgery [years] 30.9 (±10.4) 26.9 (±6.6) P = 0.270
Mean Follow-up [years] 3.5 (±1.5) 4.5(±3.4) P = 0,555
VISA-P score preop. [points] 48.3 (±9.4) 59.9(±12.3) P= 0.024*
VISA-P score postop. [points] 91.7 (±11.3) 97.3 (±5.3) P = 0.184
Mod. Blazina score preop. [points] 4.4 (±0.7) 3.9 (±0.8) P = 0.106
Mod. Blazina score postop. [points] 0.6 (±0.7) 0.2 (±0.5) P= 0.024*
Subjective Knee Function (SANE) preop. 33.5 (±16.0) 50.8 (±16.0) P= 0.016*
Subjective Knee Function (SANE) postop. 86.0 (±8.8) 94.3 (±7.5) P= 0.009*
Pain (VAS) preop. 6.5 (±1.5) 5.4 (±1.0) P = 0.054
Pain (VAS) postop. 1.0 (±1.2) 0.3 (±0.8) P= 0.009*
Mean Time Period for Return to Sports [months] 6.5 (±3.8) 2.8 (±2.0) P= 0.003*
  1. *: indicates statistical significance with P< 0.05