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Table 3 Comparison of hip joint functions between two groups

From: Comparison of postoperative effectiveness of less invasive short external rotator sparing approach versus standard posterior approach for total hip arthroplasty

  Corrective group (n = 72) Standard group (n = 54) P
Harris score
 Preoperative 40.1 ± 7.7 39.5 ± 8.2 0.986
 2 weeks postoperatively 80.2 ± 10.3 73.7 ± 12.3 0.003
 8 weeks postoperatively 91.3 ± 12.7 89.2 ± 13.5 0.636
P 0.007  
OHS score
 Preoperative 43.7 ± 7.4 40.7 ± 13.4 0.043
 2 weeks postoperatively 30.4 ± 9.3 37.2 ± 10.2 < 0.001
 8 weeks postoperatively 25.3 ± 8.2 27.5 ± 9.7 0.562
P 0.047  
WOMAC score
 Preoperative 49.7 ± 10.7 44.3 ± 14.9 0.131
 2 weeks postoperatively 30.7 ± 12.2 37.6 ± 16.2 0.031
 8 weeks postoperatively 21.3 ± 16.9 23.9 ± 18.7 0.706
P 0.379  
VAS score
 Preoperative 3.32 ± 1.73 3.26 ± 1.42 0.999
 24 h postoperatively 2.21 ± 1.35 2.9 ± 1.21 0.001
 48 h postoperatively 1.62 ± 0.87 1.95 ± 0.73 0.352
 3 days postoperatively 0.92 ± 0.61 1.42 ± 0.64 0.043
 7 days postoperatively 0.45 ± 0.48 0.96 ± 0.59 0.037
P < 0.001  
  1. OHS score Oxford hip score, VAS visual analog scale, WOMAC score Western Ontario and McMaster Universities Osteoarthritis Index score