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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 Preoperative and follow-up radiographic findings of patellofemoral joint according to Iwano classification

From: Survival and clinical results of a modified "crosse de hockey" procedure for chronic isolated patellofemoral joint osteoarthritis: mid-term follow-up

 

Preoperative

Follow-up

Grade 0

 

7 (18.9 %)

Grade I

8 (21.6 %)

11 (29.7 %)

Grade II

11 (29.7 %)

12 (32.5 %)

Grade III

6 (16.2 %)

5 (13.5 %)

Grade IV

12 (32.5 %)

2 (5.4 %)