A nested case-control study on the relationship of three kinds of cytokines and risk of cardio-cerebrovascular events among Inner Mongolians / 中华预防医学杂志

<p><b>OBJECTIVE</b>To investigate the relationship between homocysteine (Hcy), von willebrand factor (vWF), soluble intercellular adhesion molecule-1 (sICAM-1) and the risk of cardio-cerebrovascular events among Inner Mongolians.</p><p><b>METHODS</b>A survey was conducted among 2 589 Inner Mongolians from May 2002 to June 2003, and they were followed up for about ten years. The 182 individuals who developed cardio-cerebrovascular events in the cohort were defined as cases and those whose age, gender and residence 1:1 matched to cases were selected from the individuals who did not developed cardio-cerebrovascular events as controls. Then, a nested case-control study was used to analyze the relationship between Hcy, vWF and sICAM-1 and risk of cardio-cerebrovascular events. Conditonallogistic regression analysis was used to calculate OR values and 95% CI.</p><p><b>RESULTS</b>The cases had a higher baseline blood pressure, higher prevalence of hypertension and family history of hypertension compared to controls (all P values < 0.05), however, there were no significantly different between TC, TG, LDL-C, HDL-C, FBG, smoking and drinking rates (all P values > 0.05). The M (P(25)-P(75)) of Hcy were 10.68 (7.84-14.98) and 10.02 (6.64-13.94) µmol/L, vWFs were 10.88 (8.14-14.58) and 10.42 (7.97-13.50) mg/L, sICAM-1 were 336.48 (260.68-409.87) and 335.12 (269.87-409.87) ng/ml. They were not significantly different between the two groups (Z values were 0.89, 0.94 and 0.29, respectively, all P values >0.05). After adjustment for the family history of hypertension, hypertension, TC, FPG, BMI, smoking and drinking rate, the conditional logistic regression showed that OR (95% CI) of risk of cardio-cerebrovascular events were 1.00 (0.52-1.93), 2.37 (1.25-4.49), and 0.81 (0.45-1.47) for the participants with increased Hcy, vWF, and sICAM-1, compared with those with normal Hcy, vWF, and sICAM-1, respectively.</p><p><b>CONCLUSION</b>In the Inner Mongolians, increased vWF at baseline may increase the risk of cardio-cerebrovascular events, and increased Hcy and sICAM-1 were not significantly associated with the risk of cardio-cerebrovascular events.</p>

A nested case-control study in studying the relationship between interleukin-6, endothelin-1,E-selectin and the risk of cardio-cerebrovascular events / 中华流行病学杂志

<p><b>OBJECTIVE</b>To investigate the relationship between interleukin-6 (IL-6), endothelin-1 (ET-1), E-selectin and the risk of cardio-cerebrovascular events.</p><p><b>METHODS</b>Based on a cohort study in which 2 589 Mongolians had been followed up for 10 years, a nested case-control study was carried out to analyze the relationship between IL-6, ET-1, E-selectin and the risk of cardio-cerebrovascular events. Logistic regression analysis was used to calculate the odds ratio (OR) and 95% confidence intervals (95%CI).</p><p><b>RESULTS</b>The average level of IL-6 (7.66 vs. 8.77 pg/ml), ET-1 (0.74 vs. 0.75 pg/ml) and E-selectin (17.96 vs. 18.32 ng/ml)were not significantly different between the case and the control groups (P > 0.05). Data from the logistic regression analysis showed that IL-6, ET-1 and E-selectin were not significantly associated with the risk of cardio-cerebrovascular events. The multivariable adjusted ORs (95%CI) on the risk of cardio-cerebrovascular events were 0.69 (0.41-1.16), 1.10 (0.66-1.85) and 1.19 (0.71-2.00) for the participants with IL-6>23.91 pg/ml, ET-1>1.33 pg/ml and E-selectin>24.43 ng/ml, respectively, compared with those having IL-6≤23.91 pg/ml, ET-1≤1.33 pg/ml or E-selectin≤24.43 ng/ml.</p><p><b>CONCLUSION</b>Data from our study indicated that the levels of IL-6, ET-1 and E-selectin at baseline were not significantly associated with the risk of cardio-cerebrovascular events in people from Inner Mongolia.</p>

A nested case-control study in studying the relationship between interleukin-6,endothelin-1, E-selectin and the risk of cardio-cerebrovascular events / 中华流行病学杂志

Objective To investigate the relationship between interleukin-6(IL-6),endothelin-1 (ET-1),E-selectin and the risk of cardio-cerebrovascular events. Methods Based on a cohort study in which 2 589 Mongolians had been followed up for 10 years,a nested case-control study was carried out to analyze the relationship between IL-6, ET-1, E-selectin and the risk of cardio-cerebrovascular events. Logistic regression analysis was used to calculate the odds ratio(OR) and 95%confidence intervals(95%CI). Results The average level of IL-6(7.66 vs. 8.77 pg/ml), ET-1(0.74 vs. 0.75 pg/ml) and E-selectin (17.96 vs. 18.32 ng/ml) were not significantly different between the case and the control groups(P>0.05). Data from the logistic regression analysis showed that IL-6,ET-1 and E-selectin were not significantly associated with the risk of cardio-cerebrovascular events. The multivariable adjusted ORs(95%CI)on the risk of cardio-cerebrovascular events were 0.69 (0.41-1.16),1.10 (0.66-1.85) and 1.19(0.71-2.00) for the participants with IL-6>23.91 pg/ml ,ET-1>1.33 pg/ml and E-selectin>24.43 ng/ml,respectively,compared with those having IL-6≤23.91 pg/ml ,ET-1≤1.33 pg/ml or E-selectin≤24.43 ng/ml. Conclusion Data from our study indicated that the levels of IL-6,ET-1 and E-selectin at baseline were not significantly associated with the risk of cardio-cerebrovascular events in people from Inner Mongolia.

A nested case-control study in studying the relationship between interleukin-6,endothelin-1, E-selectin and the risk of cardio-cerebrovascular events / 中华流行病学杂志

Objective To investigate the relationship between interleukin-6(IL-6),endothelin-1 (ET-1),E-selectin and the risk of cardio-cerebrovascular events. Methods Based on a cohort study in which 2 589 Mongolians had been followed up for 10 years,a nested case-control study was carried out to analyze the relationship between IL-6, ET-1, E-selectin and the risk of cardio-cerebrovascular events. Logistic regression analysis was used to calculate the odds ratio(OR) and 95%confidence intervals(95%CI). Results The average level of IL-6(7.66 vs. 8.77 pg/ml), ET-1(0.74 vs. 0.75 pg/ml) and E-selectin (17.96 vs. 18.32 ng/ml) were not significantly different between the case and the control groups(P>0.05). Data from the logistic regression analysis showed that IL-6,ET-1 and E-selectin were not significantly associated with the risk of cardio-cerebrovascular events. The multivariable adjusted ORs(95%CI)on the risk of cardio-cerebrovascular events were 0.69 (0.41-1.16),1.10 (0.66-1.85) and 1.19(0.71-2.00) for the participants with IL-6>23.91 pg/ml ,ET-1>1.33 pg/ml and E-selectin>24.43 ng/ml,respectively,compared with those having IL-6≤23.91 pg/ml ,ET-1≤1.33 pg/ml or E-selectin≤24.43 ng/ml. Conclusion Data from our study indicated that the levels of IL-6,ET-1 and E-selectin at baseline were not significantly associated with the risk of cardio-cerebrovascular events in people from Inner Mongolia.

Combined action of C-reactive protein and lipid profiles on risk of hypertension and prehypertension in Mongolian adults in Inner Mongolia, China / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Many studies have suggested that C-reactive protein (CRP) and blood lipids are associated with hypertension and cardiovascular disease (CVD). However, few studies discussed the combined action of CRP and blood lipids on the risk of hypertension and prehypertension. This study aimed to investigate the combined action of CRP and lipid profiles on the risk of hypertension and prehypertension in Mongolian adults from Inner Mongolia, China.</p><p><b>METHODS</b>The systolic and diastolic blood pressure, height, weight and waist circumference were measured and factors such as smoking, alcohol intake, family history of hypertension, etc., were investigated and CRP, low-density lipoprotein cholesterol (LDL-C), triglycerides (TG) were tested for 2 534 Mongolian adults aged ≥ 20 years. The subjects were divided into four subgroups, namely CRP <median and LDL-C (TG) <median subgroup, CRP <median and LDL-C (TG) >median subgroup, CRP >median and LDL-C (TG) <median subgroup and CRP >median and LDL-C (TG) >median subgroup. The ORs (95% CIs) of hypertension and prehypertension for the subgroups were calculated by univariate and multivariate analysis.</p><p><b>RESULTS</b>The multivariate adjusted ORs (95%CIs) of hypertension/prehypertension were 1.389 (0.979-1.970)/1.151(0.865-1.531), 1.666 (1.159-2.394)/1.431 (1.060-1.930), 1.756 (1.242-2.484)/ 1.770 (1.321-2.372), for CRP <median and LDL-C >median subgroup, CRP >median and LDL-C <median subgroup, and CRP >median and LDL-C >median subgroup, respectively, compared with CRP <median and LDL-C <median subgroup. Similarly, the multivariate adjusted ORs (95% CIs) of hypertension/prehypertension were 2.032 (1.394-2.963)/1.442 (1.047-1.988), 1.412 (0.960-2.079)/1.596 (1.166-2.184), and 2.197 (1.595-3.027)/1.730 (1.321-2.266) for CRP <median and TG >median subgroup, CRP >median and TG <median subgroup, and CRP >median and TG >median subgroup, respectively, compared with CRP <median and TG <median subgroup. The risks of hypertension and prehypertension were the highest in the CRP >median and LDL-C (TG) >median subgroup among the four subgroups.</p><p><b>CONCLUSIONS</b>Subjects with both CRP >median and LDL-C (TG) >median had highest risks of hypertension and prehypertension among all subjects. This study appeared to indicate that the combined action of elevated CRP and elevated LDL-C (TG) further increase the risks of hypertension and prehypertension among Mongolian population.</p>