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Fig. 4 | BMC Cardiovascular Disorders

Fig. 4

From: Associations of multiple serum biomarkers and the risk of cardiovascular disease in China

Fig. 4

The restricted cubic spline for the association between serum biomarkers and CVD. The lines represent adjusted odds ratios based on restricted cubic splines for the serum biomarker in the multiple-metals conditional regression model. Knots were placed at the 25th, 50th, and 75th percentiles of the serum biomarker distribution, and the reference value was set at the 50th percentile. Adjusted factors were age (≤ 60 and > 60 years old), the history of hypertension, diabetes, smoking and drinking

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