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Table 10 Correlation between Merchant classification (skyline view) of PFJ O.A and outcome in group A

From: Does arthroscopic patellar denervation with high tibial osteotomy improve anterior knee pain?

Group A Merchant classification (skyline view) of PFJ O. A P-value
PFOA grades A B C D
Mean SD Mean SD Mean SD Mean SD (NS)
Kujala pre-op   44.1 14.2 41.6 11.1 38.3 6.4 0.972
Kujala post-op   77.6 8.2 71.8 8.0 74.0 8.0 0.373
KOOS pre-op   45.3 9.8 42.3 9.7 38.2 6.3 0.504
KOOS post-op   74.4 8.6 71.5 7.2 70.4 1.6 0.641