EFFECT OF EXERCISE ON NON-HDL CHOLESTEROL LEVEL (NON-HDL-C) IN OLDER WOMEN: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS

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Sai Wai Yan Myint Thu Aung Phone Zaw Pyae Phyo Kyaw

Abstract

Background: Many studies have shown that exercise can effectively reduce the non-high density lipoprotein cholesterol (non-HDL-C) level, one of the major risk factors for cardiovascular diseases, in different sex and age groups. However, there are very few studies conducted in older women, who are in a group having a higher mortality rate due to cardiovascular diseases. Moreover, there has been no recent meta-analysis focusing on the effect of exercise on non-HDL-C level in older women. The purpose of this study was to investigate the effect of exercise on non-HDL-C level in older women (≥50 years old) by means of systematic review and meta-analysis of previous randomised controlled trials.


Methods: Searches were conducted from 9 electronic databases by applying specific eligibility criteria of the review. Data regarding changes in non-HDL-C, high density lipoprotein cholesterol (HDL-C) and total cholesterol levels, were extracted as primary outcomes. Random-effect meta-analysis was used to calculate pooled effect sizes of primary and secondary outcomes.


Results: Ten studies that met the inclusion criteria were selected for meta-analysis. Random-effect meta-analysis showed statistically significant reduction in non-HDL-C level (= -9.69 mg/dL; 95%CI= -17.09 to -2.29 mg/dL; p<0.05) and increase in HDL-C level (= 3.0mg/dL; 95%CI= 0.61 to 5.4; p<0.05), but no significant change in total cholesterol level (= -5.99 mg/dL; 95%CI= -12.64 to 0.66; p>0.05) in the exercise group compared to the control group. Subgroup analysis of data from different continents showed significant subgroup differences in the non-HDL-C level after exercise (Q= 12.39; p<0.005; I2= 83.9%).


Conclusion: Exercise decreases non-HDL-C level and increases HDL-C level in older women and might be efficacious in preventing dyslipidemia and associated diseases in older women. 

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How to Cite
WAI YAN MYINT THU, Sai; PHONE ZAW, Aung; PHYO KYAW, Pyae. EFFECT OF EXERCISE ON NON-HDL CHOLESTEROL LEVEL (NON-HDL-C) IN OLDER WOMEN: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. Journal of Health and Translational Medicine, [S.l.], v. 23, n. 1, p. 49 - 59, apr. 2020. ISSN 2289-392X. Available at: <https://jummec.um.edu.my/article/view/17322>. Date accessed: 21 apr. 2021. doi: https://doi.org/10.22452/jummec.vol23no1.10.
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