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Table 4 Pre-operative and post-operative KOOS of different grade of medial compartment OA

From: Arthroscopic cartilage regeneration facilitating procedure for osteoarthritic knee

  P S ADL S/R QOL
Grade (N) Pre-op. (SD) Post-op. (SD) Pre-op. (SD) Post-op. (SD) Pre-op. (SD) Post-op. (SD) Pre-op. (SD) Post-op. (SD) Pre-op. (SD) Post-op. (SD)
I (3) 68.3 (1.2) 69.3 (9.8) 73.0 (13.9) 61.7 (4.0) 58.3 (5.8) 74.7 (11.0) 58.7 (7.5) 53.3 (11.6) 55.3 (11.9) 73.0 (3.5)
II (75) 66.9 (18.9) 81.2 (14.9) 62.0 (20.0) 71.0 (15.9) 80.0 (16.5) 86.8 (13.3) 53.2 (31.5) 65.4 (25.1) 56.5 (22.7) 64.7 (18.8)
III (46) 52.8 (21.0) 75.2 (15.8) 50.0 (18.8) 64.7 (16.3) 65.7 (20.0) 80.1 (16.5) 32.2 (26.7) 49.8 (26.6) 42.4 (20.1) 57.1 (21.6)
IV (10) 49.0 (24.5) 74.6 (15.8) 49.6 (23.3) 65.4 (21.6) 69.7 (19.7) 77.9 (22.7) 33.5 (27.4) 55.5 (32.9) 35.7 (26.0) 55.1 (24.1)
Total (134) 60.8 (21.0) 78.4 (15.4) 57.2 (20.6) 68.2 (16.5) 73.9 (19.1) 83.5 (15.5) 44.6 (30.9) 59.0 (26.8) 50.1 (23.0) 61.6 (20.3)
P value <0.001 <0.001 <0.001 <0.001 <0.001