Preoperative Expectations Do Not Correlate With Postoperative iHOT-33 Scores and Patient Satisfaction Following Hip Arthroscopy for the Treatment of Femoroacetabular Impingement Syndrome

Published:November 24, 2021DOI:


      To examine the correlation between preoperative patient expectation and International Hip Outcome Tool (iHOT-33) score and postoperative satisfaction of patients undergoing hip arthroscopy for the treatment of femoroacetabular impingement syndrome.


      Patients scheduled for surgery completed the Hip Preservation Surgery Expectations Survey (HPSES), as well as the preoperative and a minimum 2-year postoperative iHOT-33. Patient demographics that were collected included gender, age, occupation, and body mass index (BMI). At the latest follow-up, patients were evaluated for their subjective satisfaction and postoperative complications. An in-depth analysis was performed to assess the correlation between HPSES, iHOT-33, and patient satisfaction.


      Sixty-nine patients (62.3% males; mean age: 33.7 ± 13.1 years; BMI: 23.9 ± 3.5 kg/m2) were included in this study. The mean HPSES score was 83.8 ± 16.5. The mean iHOT-33 improved from 31.6 ± 15.8 preoperatively to 73 ± 25.9 postoperatively (95% CI = 35.2,47.8; P < .01), and the mean patient satisfaction was 75.9 ± 26.9. There were no statistically significant differences in mean HPSES score between males and females (95% CI = 79.9,87.8; P = .35) nor between different occupational groups (95% CI = 79.4,87.6, P = .095). No correlation was found between age and HPSES score (r = .036; P =.76). There was a negligible correlation between HPSES score and postoperative iHOT-33 score (r = −.117; P = .34) and patient satisfaction (r = −.042; P = .73). Postoperative iHOT-33 score had a significant high correlation with patient satisfaction (r = .8; P < .001).


      Preoperative expectations do not correlate with postoperative iHOT-33 scores and patient satisfaction with surgery at 2 years after surgery. Gender and occupation did not differ significantly with regard to preoperative expectations, and there was no correlation between age and HPSES score.

      Level of Evidence

      IV, retrospective case series.
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