Why the study?
The association between preoperative wearable device step counts and surgical outcomes had not been examined using commercial devices linked to electronic health records.
Does a preoperative daily step count of less than 7,500 increase the risk of postoperative complications in patients undergoing surgical procedures?
Population
475 surgical patients with preoperative wearable FitBit data in the All of Us Research program
Comparison
Averaging less than 7,500 daily steps vs 7,500 or more daily steps
Design
Retrospective cohort study using nationwide registry and wearable device data
Authors
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Should not yet change surgical risk stratification; leaves open prospective trials of wearable-guided prehabilitation.
Does a preoperative daily step count of less than 7,500 increase the risk of postoperative complications in patients undergoing surgical procedures?
Preoperative daily step counts of less than 7,500 measured by wearable devices are associated with a twofold increased risk of postoperative complications, suggesting step count may be a useful measure of preoperative fitness.
Gehl et al. (2024) studied this question.
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