Key result
A smartphone application measured steps walked during a 6-minute walk test with moderate agreement compared to a research-grade pedometer (ICC 0.87; 95% CI 0.79-0.92; P=0.0001).
Why the study?
Smartphones offer a novel way to facilitate preoperative functional capacity assessment, motivating the development and pilot testing of an application to administer a 6MWT and DASI survey.
Does an iOS smartphone application accurately measure steps and estimate distance during a 6-minute walk test compared to a research-grade pedometer in preoperative patients?
Cross-Sectional (n=78)
Does an iOS smartphone application accurately measure steps and estimate distance during a 6-minute walk test compared to a research-grade pedometer in preoperative patients?
Effect estimate: ICC 0.87 (95% CI 0.79-0.92)
p-value: p=.0001
A smartphone-based functional capacity assessment using DASI and 6MWT is feasible and shows moderate agreement with standard pedometers in preoperative patients.
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May support remote preoperative functional assessment; leaves open prospective validation before clinical adoption.
Rubin et al. (2019) conducted a cross-sectional in Preoperative evaluation (n=78). Smartphone application for DASI and 6MWT vs. Research-grade pedometer was evaluated on Agreement of steps measured by smartphone application compared to a research-grade pedometer (ICC 0.87, 95% CI 0.79-0.92, p=.0001). A smartphone application measured steps walked during a 6-minute walk test with moderate agreement compared to a research-grade pedometer (ICC 0.87; 95% CI 0.79-0.92; P=0.0001).
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