Table 2.

Reference values for PTH (pg/mL) obtained with the refineR algorithm

	Age	C.I.	PTH
25OHD >  = 20	18–29	2.5	16.4
		97.5	57.4
	30–39	2.5	18.6
		97.5	63.7
	40–49	2.5	20.1
		97.5	66.5
	50–59	2.5	21.4
		97.5	71.4
	60 +	2.5	22.1
		97.5	84.0
25OHD >  = 30	18–29	2.5	15.1
		97.5	51.5
	30–39	2.5	17.0
		97.5	57.5
	40–49	2.5	18.5
		97.5	60.4
	50–59	2.5	20.9
		97.5	68.5
	60 +	2.5	21.6
		97.5	81.8