Association between Interleukin-1 Gene Single Nucleotide Polymorphisms and Ischemic Stroke Classified by TOAST Criteria in the Han Population of Northern China

Table 1

Demographics, risk factors, and stroke etiologies of IS and control groups.

	IS (𝑛=440)	Control (𝑛=486)	𝑃
Demographics
Age (±SD)	66.6 ± 8.4	66.1 ± 5.2	0.287
Male (%)	291 (66.1)	314 (64.7)	0.626
Risk factors
Smoking (%)	121 (27.5)	98 (20.2)	0.009
Body mass index (BMI) (Kg⋅m^−2) (mean ± SD)	24.9 ± 3.6	24.8 ± 3.1	0.002
Hypertension (%)	262 (59.5)	244 (50.2)	0.004
Diabetes mellitus (DM) (%)	126 (28.6)	62 (12.8)	<0.05
LDL (mmol/L) (mean ± SD)	3.0 ± 0.8	3.0 ± 0.6	0.03
Large arterial atherosclerosis (LAA), 𝑛 (%)	320 (72.7)
Cardioembolism (CE), 𝑛 (%)	32 (7.3)
Small vessel disease (SVD), 𝑛 (%)	88 (20.0)