Table 1.

Descriptive data of steps per day and other patient-reported outcome scores.

	Mean ± SD	Range
Steps per day	5721 ± 3920	655–21223
UCLA	4.37 ± 1.8	1–10
WOMAC	45.7 ± 16.6	0–91
PCS SF-12	31.6 ± 9.1	17.6–59
HHS	50.9 ± 13.3	23–76

UCLA=The University of California, Los Angeles activity score, HHS=Harris Hip Score, WOMAC = the Western Ontario and McMaster Universities Arthritis Index and PCS SF-12 = the Physical Component Summery of the 12- Item Short Form Survey.