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Table 2 Comparison of clinical and radiological outcomes preoperatively and at final follow-up

From: Improvement of clinical and radiological outcomes of root repair patients with advanced articular cartilage degeneration and osteoarthritis

Variable

Preoperative

Postoperative

Difference

P Value

Clinical outcomes

 Lysholm Score

41 ± 22

85 ± 17

44 (35–53)

 < 0.001a

 IKDC Score

28.3 ± 18.2

67.3 ± 19.8

39.0 (30.0–48.0)

 < 0.001a

 KOOS Score

40.2 ± 23.6

81.6 ± 18.0

41.4 (31.6–51.1)

 < 0.001a

Radiological results

 BMO present

17 (52)

5 (15)

 

 < 0.01b

 Kellgren-Lawrence Grade

3/13/9/6/0

2/6/13/10/0

 

0.07b

 0/1/2/3/4

    

 K-L average

1.6 ± 0.9

2.0 ± 0.9

  

Outerbridge classification 0/1/2/3/4

0/0/9/19/5

  
  1. Clinical outcomes are presented as the mean ± standard deviation. Difference is presented as the mean with 95% confidence interval range. BMO Bone Marrow Oedema, expressed as n (%)
  2. IKDC International Knee Documentation Committee, KOOS Knee Injury and Osteoarthritis Outcome Score
  3. aWilcoxin signed-rank test
  4. bFisher exact test; K-L grades were grouped as < 2 and ≥ 2 to perform test