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

Table 2 Traditional Chinese medicine symptom score

	Mild	Moderate	Severe
Palpitation	2	4	6
Panting	2	4	6
Lassitude	2	4	6
Spontaneous sweating	2	4	6
Night sweating	2	4	6
Dizziness	2	4	6
Dry mouth	2	4	6
Vexation	2	4	6

ISSN: 1745-6215