Table 2.

Linear regression of PTH with hemoglobin levels

	1st quintile	2nd quintile	3rd quintile	4th quintile	5th quintile
Beta coefficient (95% CI)
Unadjusted	ref	0.03–0.06, 0.12)	−0.05 (−0.14, 0.04)	−0.17 (−0.26, −0.08)	−0.57 −0.66, −0.48)
Adjusted	ref	0.09 (0.01, 0.18)	0.15 (0.07, 0.24)	0.18 (0.09, 0.260)	0.13 (0.07, 0.25)

Adjusted for age, sex, race, smoking status, high school education (yes/no), health insurance (yes/no), cardiovascular disease (yes/no), diabetes (yes/no), hypertension (yes/no), cancer (yes/no), albuminuria (yes/no), BMI, baseline eGFR, calcium, and phosphorus.