Table 1: Comparison of IHD patient group and control subjects.

CharacteristicsIHD groupControl grouptst value

n360341
Age (y)1923–1970
(60 ± 12.04)
1921–1970
(52 ± 13.23)
0.510.699
Gender, n (%)Male91 (25.27)109 (31.96)1.6280.350
Female269(74.72)232 (68.03)1.0420.486
Ethnicity, n (%)Kazakhs230 (63.88)237 (69.5)0.9080.530
Other Asians28 (8.21)33 (9.68)0.8400.555
Russians102 (28.32)71 (20.82)1.9250.305
Smoking status, n (%)Smokers41(11.39)57 (16.71)1.7960.323
Nonsmokers319 (88.61)284 (83.28)0.7580.587
Total cholesterol (mmol/l)>5.02 (5.47 ± 0.09)<5.02 (4.01 ± 0.06)13.4980.047
Blood pressure (mmHg)>140/90120/60

There were no statistically significant differences in age, gender, and smoking status between the control and experimental groups ( for all characteristics).