Traditional Chinese Medicine Syndromes for Essential Hypertension: A Literature Analysis of 13,272 Patients

Table 5

Combined syndrome forms.

Combination Class	Combination Forms	Frequency	Percentage (%)
Single-factor	Internal fire	2765	20.98
	Yang hyperactivity	875	6.64
	Blood stasis	398	3.02
	Phlegm turbidity	149	1.13
Two-factor	Yin deficiency with yang hyperactivity	3059	23.21
	Phlegm-damp retention	2508	19.03
	Deficiency of both yin and yang	1605	12.18
	Liver-kidney yin deficiency	543	4.12
	Dual deficiency of qi and yin	189	1.43
	Qi stagnation and blood stasis	164	1.24
	Qi deficiency with blood stasis	138	1.05
Three-factor	Yin deficiency and wind-phlegm	166	1.26
Total		12559	95.29