Table 1.

Participant Characteristics by Group at Baseline^a

^aBMI=body mass index, WOMAC-PF=Western Ontario and McMaster Universities Osteoarthritis Index physical function subscale, LEFS=Lower Extremity Functional Scale, ADLS=Activities of Daily Living Scale of the Knee Outcome Survey. All measurements are expressed as mean (SD), except for measurements of radiographic severity, which are expressed as number (%) of participants.

^b P value refers to the comparison between standard exercise and experimental groups.