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Risk factors associated with coronary artery calcification in midlife women: a population-based study
Karen Oppermann1,2, Veronica Colpani3, Poli Mara Spritzer4,5
1Department of Gynecology, Medical School of Passo Fundo University, Passo Fundo, Brazil.
The aim of this study was to investigate the association between individual risk factors and coronary artery calcification (CAC), as a marker of subclinical cardiovascular disease, in a population-based nested cross-sectional study of midlife women. Anthropometric and metabolic data from 295 women from the South of Brazil were analyzed. Habitual physical activity was assessed by pedometer. CAC was assessed by a multi-detector computed tomography system. Average Agatston score was used to stratify participants as CAC > 0 and CAC = 0. Women with CAC > 0 (34.7%) were older (58.7 ± 5.4 vs. 56.3 ± 5.2 years, p < .001) and had higher prevalence of central adiposity (71 vs. 59%, p = .04) and hypertension (71 vs. 52%, p = .002) than women in the CAC = 0 group. Hormone therapy (HT) was more prevalent in the group with CAC = 0 (19.7 vs. 9.8%, p = .029). The prevalence ratios for CAC > 0 were 0.545 (95%CI:0.309-0.962, p = .036) for HT and 1.752 (95%CI:1.207-2.541, p = .003) for hypertension, after adjustment for age, educational level, smoking, alcohol intake, and physical activity. The present data in a population-based sample of midlife women indicate that hypertension and age were positively associated with higher risk for CAC > 0 and HT was related with CAC = 0.
The aim of this study was to investigate the association between individual risk factors and coronary artery calcification (CAC), as a marker of subclinical cardiovascular disease, in a population-based nested cross-sectional study of midlife women. Anthropometric and metabolic data from 295 women from the South of Brazil were analyzed. Habitual physical activity was assessed by pedometer. CAC was assessed by a multi-detector computed tomography system. Average Agatston score was used to stratify participants as CAC > 0 and CAC = 0. Women with CAC > 0 (34.7%) were older (58.7 ± 5.4 vs. 56.3 ± 5.2 years, p < .001) and had higher prevalence of central adiposity (71 vs. 59%, p = .04) and hypertension (71 vs. 52%, p = .002) than women in the CAC = 0 group. Hormone therapy (HT) was more prevalent in the group with CAC = 0 (19.7 vs. 9.8%, p = .029). The prevalence ratios for CAC > 0 were 0.545 (95%CI:0.309-0.962, p = .036) for HT and 1.752 (95%CI:1.207-2.541, p = .003) for hypertension, after adjustment for age, educational level, smoking, alcohol intake, and physical activity. The present data in a population-based sample of midlife women indicate that hypertension and age were positively associated with higher risk for CAC > 0 and HT was related with CAC = 0.
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