Metabonomics Study of Essential Hypertension and Its Chinese Medicine Subtypes by Using Gas Chromatography-Mass Spectrometry and Nuclear Magnetic Resonance Spectroscopy

Table 2

Basic demographic characteristics of participants in GC-MS analysis.

Characteristics	Controls% (𝑛)	YDYHS group% (𝑛)	YYDS group% (𝑛)	𝑃 value
Sex				0.913
Female	54.55 (6)	47.06 (8)	47.37 (9)
Male	45.55 (5)	52.94 (9)	52.63 (10)
Age				0.941
30–40	9.09 (1)	5.88 (1)	10.53 (2)
40–50	36.36 (4)	52.94 (9)	42.11 (8)
50–60	54.55 (6)	41.18 (7)	47.37 (9)