Occupational kneeling and radiographic tibiofemoral and patellofemoral osteoarthritis.

J Occup Med Toxicol · 2009 · PMC2726153 · PMID 19594940

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did not reach statistical significanceno p-value reported

Changing the cut-off for radiographic scoring of knee OA from grade 1 to grade 2 revealed the same trend among floor layers compared to graphic designers in the age group 50–59 years, although the difference did not reach statistical significance.

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