EP8.61 Patients Report Less Hip Pain and Dysfunction in the Clinic Compared to Remote Outcome Collection Through a Multi-Center Database

Abstract Introduction Patient-reported outcome measures (PROMs) assess pain, function, and quality of life for those with hip conditions. As PROMs are increasingly collected both in clinical settings and through multi-center registry studies after hip preservation surgery, understanding the impact of administration setting is essential. The aim of this study was to compare International Hip Outcome Tool-12 (iHOT-12) responses collected during clinic visits versus those collected remotely through a multi-center registry. Methods 101 patients presenting to an adolescent and young adult hip clinic completed the International Hip Outcome Tool-12 (iHOT-12) pre-operatively and at a minimum of one year post-operatively in clinic and remotely as part of a multi-center registry. The primary outcome of interest was the relationship between iHOT-12 scores collected in clinic versus remotely through the registry. Wilcoxon signed-rank tests compared pre-operative, post-operative, and change of scores between settings. Spearman’s correlation test examined the relationship between clinic-collected and remote-collected iHOT-12 scores. Results Pre- and post-operative iHOT-12 scores were higher in clinic compared to remote collection (median: 31.4 vs 27.8, p<0.001 and 84.1 vs 78.8, p<0.001, respectively). However, there was no significant difference in pre- to post-operative change in scores between collection settings (47.7 vs 44.7, p=0.55). iHOT-12 scores demonstrated moderate correlation between collection methods pre-operatively (ρ=0.66, p<0.001), very strong correlation post-operatively (ρ=0.92, p<0.001), and strong correlation of change from pre-operative to post-operative (ρ=0.81, p<0.001). No significant differences were observed between the two collection methods for thresholds of minimal clinically important difference (p=1), substantial clinical benefit (p=0.61), or patient acceptable symptomatic state (p=0.36). Conclusions PROMs collected remotely through a multi-center registry are consistently lower than those collected in clinic both pre-operatively and post-operatively. Although the setting of PROM completion influences reported symptom severity, these findings support the use of remote administration as a dependable method for assessing change in patient-perceived pain and function.