Long-term lifestyle monitoring adherence in patients after cardiac intervention: a prospective observational trial.

While baseline SUS scores were not predictive of dropout risk (OR 1.01, 95% CI: 0.97–1.04, P = 0.32), patients with lower usability (SUS < 68) at study-end were more likely to have dropped out (OR 0.34, 95% CI: 0.11–1.05, P = 0.06), but this association did not reach statistical significance.

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