Fig. 3

The association PLR between and lumbar BMD. a Each black point represents a sample. b Solid rad line represents the smooth curve fit between variables. Blue bands represent the 95% of confidence interval from the fit. Age, gender, race, education, smoking behavior, alcohol consumption, BMI, HbA1c, albumin, blood urea nitrogen, total cholesterol, triglycerides, total calcium, creatinine, phosphorus, and uric acid were adjusted