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Table 3 ICRS repair grades at second-look arthroscopy according to the location of cartilage lesion in both groups

From: Additional mesenchymal stem cell injection improves the outcomes of marrow stimulation combined with supramalleolar osteotomy in varus ankle osteoarthritis: short-term clinical results with second-look arthroscopic evaluation

  Medial talar dome Medial tibial plafond Articular surface of MM
  Group I Group II P Group I Group II P Group I Group II P
Grade    .015    .044    .005
 I 0 1 (3.2)   0 1 (3.2)   0 1 (3.2)  
 II 2 (6.1) 11 (35.5)   2 (6.1) 10 (32.3)   0 3 (9.7)  
 III 18 (54.5) 11 (35.5)   20 (60.6) 12 (38.7)   17 (51.5) 21 (67.7)  
 IV 13 (39.4) 8 (25.8)   11 (33.3) 8 (25.8)   16 (48.5) 6 (19.4)  
  1. Values are expressed as number (%). MM medial malleolus, ICRS International Cartilage Repair Society