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Effect-size index for changes from IE to 3 months after surgery and to 1 year after surgery, with 95% confidence intervals, for the SST, SCT, TUG, and 6MW. The effect size for the 6MW was negative; for comparison among measures, the absolute effect size is presented. Abbreviations: 6MW, 6-minute walk; IE, initial postoperative physical therapy evaluation; SCT, stair-climbing test; SST, single-step test; TUG, timed up-and-go.
