RHR and sleep heart rate in the more severe group showed a decreasing trend on day 25 after disease onset, as determined by using the local weighted regression method for data fitting ( Figure 1(e) and (f)).
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RHR and sleep heart rate in the more severe group showed a decreasing trend on day 25 after disease onset, as determined by using the local weighted regression method for data fitting ( Figure 1(e) and (f)).