(a) Estimated PTH (pg/mL) levels for each category of self-identified race and ethnicity^†

	N*	Mean (SD)	Range
All participants	551	19.2 (8.8)	4.7–70.8
African-American	261	19.6 (9.5)	5.1–70.8
Caucasian	53	17.9 (9.1)	6.2–38.7
Hispanic	213	19.1 (8.0)	4.7–40.9
Other	24	18.0 (6.6)	7.6–32.6

^†Eight subjects had insufficient blood sample to measure PTH and thus, were excluded from this table.