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Table 2 Results summary of ultrasound findings before (baseline) and after running (follow-up)

From: The influence of long distance running on sonographic joint and tendon pathology: results from a prospective study with marathon runners

  Baseline follow Up p Baseline follow
Knee joints with suprapatellar effusion (%) 105 (50.0) 100 (47.6) 0.696
Mean amount of suprapatellar effusion (mm with SD) 15.5 ± 17.0 13.9 ± 15.9 0.151
Knee joint baseline-to-follow-up comparison (%)    
unchanged joint finding at follow-up   140 (66.7)  
deteriorated joint finding at follow-up   32 (15.2)  
improved joint finding at follow-up   38 (18.1)  
Prevalence of patellar tendon hypervascularity (%) 1 (0.5) 21 (10.0) < 0.001
Talocrural joints with effusion (%) 38 (18.1) 33 (15.7) 0.603
Mean amount of talocrural effusion (mm with SD) 5.2 ± 11.8 4.7 ± 11.6 0.565
Talocrural joint baseline-to-follow-up comparison (%)    
unchanged joint finding at follow-up   173 (82.3)  
deteriorated joint finding at follow-up   15 (7.2)  
improved joint finding at follow-up   22 (10.5)