Table 3.

Summary of associations of levels of mineral metabolic parameters under various experimental conditions

Spearman correlation	Ca bath conditiona	ρ	P value
ΔiCa with ΔPTH	High	−0.59	<0.01
Baseline log FGF23 with baseline P	High	0.70	<0.002
	Normal	0.66	0.014
Baseline log FGF23 with baseline PTH	High	0.58	0.011
	Normal	0.52	0.07
Baseline log FGF23 with ΔPTH	High	0.13	0.59
	Normal	−0.34	0.25
Baseline PTH with ΔPTH	High	−0.28	0.26
	Normal	−0.03	0.91
ΔLog FGF23 with ΔP	High	0.21	0.41
	Normal	0.22	0.48
ΔLog FGF23 with ΔPTH	High	0.45	0.06
	Normal	0.44	0.13

^an = 18 for the high-Ca dialysate exposure; n = 13 for the normal-Ca dialysate exposure. Δ, Change.