Research Article

Chinese Herbal Medicine in the Treatment of Chronic Heart Failure: Three-Stage Study Protocol for a Randomized Controlled Trial

Table 2

The distribution of symptoms in 176 literatures.

SymptomFrequencyRate (%)

Palpitation2335.6
Shortness of breath1603.9
Edema1593.8
Lassitude 1533.7
Thread pulse1463.5
Dyspnea1263.0
Wheeze1172.8
Pale tongue1112.7
Intermittent pulse1102.7
Knotted pulse1102.7
Oliguria1012.4
Sweating1002.4