It is a retrospective study with no products limitation to investigate the link between clinical resting HR and SOA. Use HR≤60bpm as control group, compare other three groups with the control group and find out the correlation between HR and SOA indexes.
Study Type
OBSERVATIONAL
Enrollment
1,000
The difference of HRV, BPV, LF/HF between each groups
The difference on mean sympathetic overactivation related indexes such as HRV, BPV, LF/HF between groups
Time frame: 1min HR measure
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