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Table 3 Within group comparison of StepWatch activity monitor outcomes over time

From: A prospective randomized comparison of the minimally invasive direct anterior and the transgluteal approach for primary total hip arthroplasty

  Mean (SD)   P value   P value
StepWatch Preoperative 3 months   12 months  
Approach
 Anterior 4695 (1177) 5992 (2170) 0.078a 6402 (2523) 0.047a
 Lateral 4695 (1177) 5239 (2309) 1.00a 5340 (1887) 1.00a
  1. SD standard deviation
  2. a Friedman test