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Table 7 Follow-up evaluation of ICRS grade in articular cartilage

From: Clinical benefit of high tibial osteotomy combined with the intervention of platelet-rich plasma for severe knee osteoarthritis

ICRS grade, n (%)

Group A (n = 24)

Group B (n = 25)

Group C (n = 25)

MFC

1

4 (17)*

0 (0)

0 (0)

2

13 (54)*

10 (40)

9 (36)

3

7 (29)*

12 (48)

14 (56)

4

0 (0)*

3 (12)

2 (8)

MTC

1

4 (17)*

0 (0)

0 (0)

2

11 (46)*

8 (32)

7 (28)

3

9 (37)*

13 (52)

15 (60)

4

0 (0)*

4 (16)

3 (12)

  1. The ICRS grade was compared by Pearson’s chi-squared test
  2. ICRS—International Cartilage Repair Society grade; MFC—medial femoral condyle; MTC—medial tibial condyle
  3. *Significant difference compared with the placebo controls (Group C)