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Table 3 Preoperative, 12 months and 7 years postoperative mean scores and (standard deviations) for the three WOMAC subscales, for the patients, mean age 70 (50-88).

From: Patient relevant outcome 7 years after total hip replacement for OA - a prospective study

Subscale Patients preoperative (n = 75) Patients 12 months postoperative p-value Patients 7 years postoperative p-value
WOMAC pain 44 (16.5) 85 (16.4) <0.001 86 (16.5) 0.69
WOMAC stiffness 38 (15.9) 77 (18.7) <0.001 78 (22.1) 0.63.
WOMAC function 38 (14.8) 79 (16.7) <0.001 76 (21.1) 0.12
  1. The scale is 0-100, worst to best. The p-value is calculated between preoperative outcome and 12 months postoperative outcome and between 12 months postoperative outcome and 7 years postoperative outcome