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Year : 2019  |  Volume : 7  |  Issue : 2  |  Page : 63-67

Coronary risk prediction by the correlation of total cholesterol/high-density lipoprotein, triglyceride/high-density lipoprotein, low-density lipoprotein/high-density lipoprotein ratios, non-high-density lipoprotein, apolipoprotein-B, and high-sensitivity C-reactive protein with low-density lipoprotein in Indian patients under statin therapy

1 Department of General Medicine, Sri Manakula Vinayagar Medical College and Hospital, Puducherry, India
2 Department of Biochemistry, Sri Manakula Vinayagar Medical College and Hospital, Puducherry, India

Correspondence Address:
Dr. M Mohammad Inaamul Hassan
C. 152, Kannadasan Street, Annanagar, Tennur, Trichy - 620 017, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/heartindia.heartindia_2_19

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Background: Patients are treated with statins for the control of cholesterol; but statins control only low-density lipoprotein (LDL) and not non-high-density lipoprotein (non-HDL). Also, LDL is not a good coronary risk predictor. That creates the necessity to find a better biomarker for future coronary risk prediction. Hence, biomarkers under this territory such as total cholesterol (TC)/HDL, LDL/HDL, triglyceride (TG)/HDL ratios, non-HDL, apolipoprotein-B (apo-B), and high-sensitivity C-reactive protein (hs-CRP) were to be assessed and correlated with LDL to find the better biomarker in Indian patients. Objective: The objective was to study non-HDL, apo-B, TC/HDL, TG/HDL, LDL/HDL ratios, and hs-CRP in patients under statin therapy; and to correlate them with their LDL; to predict the risk of future coronary events; and to identify which biomarker among them is better at detecting the same. Materials and Methods: This is a cross-sectional observational study performed by systematic random sampling among 87 patients under statin therapy, and the levels of LDL, TC/HDL, LDL/HDL, TG/HDL ratios, non-HDL, apo-B, and hs-CRP were measured in such patients, and their correlation with optimized and unoptimized LDL groups were done. Continuous data were represented as mean and standard deviation, andP value was calculated using independent t-test or z-test. Results: Non-HDL, TC/HDL, and LDL/HDL ratios were found to be statistically significant – all three parameters withP < 0.0001 in predicting the coronary artery disease attacks in the future. Conclusion: Even though all patients in our study were under statin therapy, they are still under the risk of developing coronary events. This can be solved by targeting the control of non-HDL or TC/HDL or LDL/HDL ratios, as they are found be better biomarkers for future coronary risk prediction.

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