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Table 3 Detailed description of symptoms according to traditional Chinese medicine

From: A double-blinded, placebo-controlled randomized trial evaluating the efficacy and safety of Zhigancao Tang granules for treating HFpEF: study protocol for a randomized controlled trial

  None Mild Moderate Severe
Palpitation No symptom Occasional occurrence; slight uncomfortable feeling Regular occurrence; lasts for a long duration; intense uncomfortable feeling Frequent occurrence; uncontrolled; considerable influence on the quality of life
Panting No symptom Slight and no influence on routine activities Heavy, but can still manage to perform routine activities Too heavy; cannot perform routine activities
Lassitude No symptom Slight and can work Heavy, but can still manage to work Too heavy; cannot work or continue routine activities
Spontaneous sweating No symptom Slight sweating after activities Heavy sweating without any activity Profuse sweating
Night sweating No symptom Occasional occurrence; sweating primarily in the head Regular occurrence; sweating primarily on the chest and back Frequent occurrence; sweating all over the body
Dizziness No symptom Slight, and no influence on work Heavy, but can still manage to work Too heavy; cannot work
Dry mouth No symptom Slight; no need to drink water Severe; need to drink water occasionally Intolerable; need to drink water frequently
Vexation No symptom Slight and occasional occurrence Heavy and regular occurrence, but tolerable Unbearable; severe impact on the quality of life
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