Key result
Higher heart rate on admission was associated with increased in-hospital mortality, with an adjusted odds ratio of 3.64 (95% CI 1.88-7.05) for HR ≥100 bpm in medical wards.
Why the study?
The association between heart rate and in-hospital mortality in general patients regardless of underlying diseases had not been well scrutinized.
Is higher heart rate on admission associated with increased in-hospital mortality among general inpatients?
Population
2360 general inpatients aged ≥12 years at a tertiary care hospital in Japan
Comparison
Five admission heart rate categories (<60, 60-79, 80-99, 100-119, and ≥120 bpm)
Design
Single-center prospective cohort study
Follow-up
During hospitalization
Authors
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May flag high-risk general inpatients for monitoring; hypothesis-generating and requires prospective confirmation before practice change.
Cohort (n=2,360)
No
Is higher heart rate on admission associated with increased in-hospital mortality among general inpatients?
Odds Ratio: 3.64 (95% CI 1.88–7.05)
p-value: p=<.001
Higher heart rate on admission (≥100 bpm in medical wards, ≥120 bpm in surgical wards) is significantly associated with increased in-hospital mortality among general inpatients.
Yamamoto et al. (2019) conducted a cohort in general inpatients (n=2,360). Heart rate on admission vs. Lower heart rate was evaluated on in-hospital mortality (OR 3.64, 95% CI 1.88-7.05, p=<.001). Higher heart rate on admission was associated with increased in-hospital mortality, with an adjusted odds ratio of 3.64 (95% CI 1.88-7.05) for HR ≥100 bpm in medical wards.
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