Study on the Differences between Traditional Chinese Medicine Syndromes in NYHA I–IV Classification of Chronic Heart Failure

Table 3

Distribution of syndromes in patients with CHF of different cardiac function classes.

Syndrome	Class I cardiac function		Class II cardiac function		Class III cardiac function		Class IV cardiac function
	Frequency (N)	Percentage (%)	Frequency (N)	Percentage (%)	Frequency (N)	Percentage (%)	Frequency (N)	Percentage (%)
Blood stasis	8	72.73	211	73.78	487	79.84	89	74.17
Qi deficiency	7	63.64	226	79.02	488	80	94	78.33
Yin deficiency	5	45.45	70	24.48	121	19.84	32	26.67
Phlegm turbidity	3	27.27	72	25.17	105	17.21	35	29.17
Fluid retention	1	9.09	27	9.44	208	34.1	69	57.50
Yang deficiency	1	9.09	19	6.64	130	21.31	36	30.00
Blood deficiency			12	4.20	35	5.74
Qi stagnation			10	3.50	4	0.66	1	0.83
Cold coagulation			5	1.75
Dryness-heat			2	0.70