Lower extremity functional scale
disability
The LEFS was used to assess the functional status of the lower limb. The scale presents a series of everyday activities requiring the lower limb, with the participant recording a score from 4 (“no difficulty”) to 0 (“extreme difficulty or unable to perform”) for each item. The final score is summed, and a higher score (maximum of 80) represents lower levels of disability and greater function. The LEFS scale has excellent test–retest reliability (ICC 0.85–0.99) (Mehta et al., 