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

Table 3

The distribution of syndromes in 176 literatures.

Syndrome	Frequency	Rate (%)
Yang deficiency	6489	18.57
Qi deficiency	6377	18.25
Blood stasis	5731	16.40
Water retention	3445	9.86
Phlegm syndrome	973	2.78