An Association Study between Genetic Polymorphism in the Interleukin-6 Receptor Gene and Coronary Heart Disease

Table 4

The stratified association analysis of rs7529229.

Group	Risk factor of CHD	Genotype (TT/TC/CC)	𝜒^2	𝑃	𝑇/𝐶	𝜒^2	𝑃
CHD (𝑛=115)	Smoking	31/61/23			123/107
Control (𝑛=55)	Smoking	15/31/9	0.339	0.844	61/49	0.117	0.732
CHD (𝑛=148)	No smoking	46/72/30			164/132
Control (𝑛=141)	No smoking	48/67/26	0.339	0.844	163/119	0.337	0.561
CHD (𝑛=165)	Hypertension	48/86/31			182/148
Control (𝑛=102)	Hypertension	36/44/22	2.061	0.375	116/88	0.15	0.699
CHD (𝑛=98)	No hypertension	29/47/22			105/91
Control (𝑛=94)	No hypertension	27/54/13	2.789	0.248	108/80	0.583	0.445
CHD (𝑛=57)	Diabetes	16/27/14			59/55
Control (𝑛=14)	Diabetes	6/5/3	1.178	0.555	17/11	0.725	0.394
CHD (𝑛=206)	No diabetes	61/106/39			228/184
Control (𝑛=182)	No diabetes	57/93/32	0.191	0.909	207/157	0.183	0.669