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Table 4 Within group comparison of the HHS 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   P value   P value
HHS preoperative 6 weeks   3 months   6 months   12 months  
Approach
 Anterior 54.0 (14.2) 81.6 (12.1) <0.001a 89.8 (9.3) 0.039a 90.3 (9.8) 1.000a 92.4 (8.6) 0.671a
 Lateral 53.0 (15.7) 82.4 (12.0) <0.001a 88.4 (9.9) <0.001a 89.1 (10.0) 1.000a 91.4 (9.1) 0.526a
  1. SD standard deviation
  2. a Friedman test