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New patient-derived survey offers comprehensive way to record patients’ hip surgery expectations
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A recently published study identified a valid and reliable patient-derived survey that addressed a spectrum of patients’ preoperative expectations when undergoing hip surgery.
Researchers developed an expectations survey in three phases, recruiting patients undergoing primary hip surgery. In phase one, researchers preoperatively interviewed 67 patients, asking open-ended questions about patients’ expectations of surgery, and assembled a draft survey by categorizing responses. To assess test-retest reliability, researchers administered the survey twice to another group of 50 patients preoperatively in phase two and measured concordance with weighted kappa values and intraclass correlations. Researchers also had patients electronically complete valid standard hip surveys. In phase three, researchers selected final items, performed factor analysis and developed a scoring system.
Of the 509 expectations volunteered from patients, researchers discerned 21 distinct categories as items for the draft survey, addressing pain, mobility, sports, resumption of active lifestyles, future function and psychological well-being, and all were retained for the final survey. The researchers used the number of items expected and the amount of improvement expected to calculate an overall score ranging from 0 to 100.
Results showed patients who participated in phase two had a mean score of 82 for both administrations. Researchers also found Cronbach alpha coefficients of 0.88 and 0.91 for the first and second administration, respectively, and an intraclass correlation of 0.92. Researchers noted an association between a higher score and worse hip condition measured by standard hip surveys. – by Casey Tingle
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