Table 2.

Changes of serum calcium, phosphorus, calcium phosphorus product, and iPTH of patients at baseline and 4, 8, and 12 weeks of lanthanum carbonate treatment (500 mg/d)

	Baseline	4 weeks	8 weeks	12 weeks
Serum calcium (2.10–2.55mmol/L)	2.15±0.18	2.14±0.13	2.06±0.16	2.05±0.05
Serum phosphorus (0.9–1.6mmol/L)	2.49±0.51	2.29±0.46*	1.87±0.36**	1.65±0.34**
Calcium phosphorus product (23.44–50.59mg2/dL2)	69.40±17.34	60.67±14.84*	50.40±8.91**	44.27±9.67**
iPTH (12–88pg/ml)	185.58±109.48	184.83±118.23	174.84±123.66	164.73±96.20

^*P<0.05

^**P<0.01 vs. baseline. n=38