. 2011 Feb;91(2):225–233. doi: 10.2522/ptj.20100122

Table 2.

Correlation Matrix for Covariates, Physical Function, and Quadriceps and Hip Abductor Muscle Strength (N=31)^a

^{^a}

WOMAC-PF=Western Ontario McMaster University Osteoarthritis Index physical function subscale, Stair Test=Stair Ascend/Descend Test, Fig 8 Walk=Figure-of-8 Walk Test, Chair Rise=5-Chair Rise Test, SS=self-selected. * P<.05, ** P<.01.

^b Values are Spearman ρ.

^c n=28.