Fig. 3
From: The association between carbon and nitrogen stable isotope ratios of human hair and hypertension
Odds ratios (ORs) for hypertension according to δ13C and δ15N values by antihypertensive (anti-HTN) medication. A δ13C. B δ15N. ORs were calculated after adjusting for age, sex, total energy intake, dietary sodium intake, fasting serum glucose, triglyceride, high-density lipoprotein cholesterol, smoking, alcohol consumption, regular exercise, and waist circumference. CI, confidence interval; PDB, Pee Dee Belemnite