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Table 3 Change of K–L grade at follow-up in patellofemoral joint

From: Effect of medial open wedge high tibial osteotomy on progression of patellofemoral osteoarthritis

Grade change

Non-PF OA group

(n = 83)

PF OA group

(n = 83)

p-Value

No change

40 (48.19%)

22 (26.50%)

0.003

OA aggravation

43 (51.81%)

61 (73.49%)

0.003

 Grade change 1

31 (37.35%)

47 (56.63%)

0.010

 Grade change ≥ 2

12 (14.46%)

14 (16.87%)

0.416

  1. The p-values are of intergroup comparisons, with p < 0.05 indicating significance. K–L Kellgren–Lawrence, PF OA patellofemoral osteoarthritis, OA osteoarthritis
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Knee Surgery & Related Research

ISSN: 2234-2451