Fig. 1From: Effect of blood lead levels on periodontitis in American adults: a cross-sectional analysis from the national health and nutrition examination surveyAssociation between blood lead levels with periodontitis. A linear association between blood lead levels with periodontitis was found (P < 0.05). The solid line and dashed line represent the estimated values and their corresponding 95% confidence interval. Adjustment factors included age, sex, ethnicity, BMI, PIR, current smoking, glycated hemoglobin, TC, HDL, SUA, eGFR, diabetes, hypertension, hyperlipidemia, antihypertensive drugs, lipoprotein-lowering drugs, glucose-lowering drugs, cadmium, mercuryBack to article page