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Validation of smartphone app-based digital patient reported outcomes in full-endoscopic spine surgery
James Pan1, Natalie Yap1, Tobias Prasse1,2
1Department of Neurological Surgery, University of Washington, 325 Ninth Ave, Box 359924, Seattle, WA, 98104, USA.
Purpose:
Patient reported outcome measures (PROMs) are important tools to assess patient function, pain, disability, and quality of life. We aim to study the efficiency and validity of digital PROMs collection using a smartphone app compared to traditional paper PROMs.
Methods:
Patients undergoing evaluation for full-endoscopic spine surgery were recruited from the outpatient clinic at Harborview Medical Center. Visual analogue scale (VAS), Oswestry disability index (ODI), and EQ5-5D PROMs were administered on paper and through a smartphone app called SpineHealthie. Compliance rates were collected, and PROM results were assessed for correlation between paper and digital methods.
Results:
123 patients were enrolled. 57.7% of patients completed paper PROMs, 82.9% completed digital PROMs, and 48.8% completed both. Of the patients that completed both, Spearman's correlation was greatest for VAS leg, ODI, and EQ5 index scores. Correlation was weaker for VAS back pain, neck pain, and upper extremity pain. Patients tended to report lower disability and higher quality of life on the digital PROM compared to the paper PROM.
Conclusion:
The SpineHealthie app effectively and accurately collects PROMs digitally, showing strong concordance with traditional paper PROMs. We conclude that digital PROMs constitute a promising strategy for monitoring patients after spine surgery over time.
