Table 5.

Per-protocol analysis

Parameter	Placebo Arm			Niacinamide Arm
	Week 1	Week 9	P	Week 1	Week 9	P
Phosphorus (mg/dl)	5.59 ± 1.53	5.96 ± 1.54	NS	6.45 ± 1.33	5.28 ± 1.22	0.002
Calcium (mg/dl)	9.41 ± 0.58	9.60 ± 0.73	NS	9.47 ± 0.71	9.58 ± 0.64	NS
Calcium-phosphorus product (mg2/dl2)	52.47 ± 14.26	57.02 ± 14.88	NS	61.00 ± 12.88	50.54 ± 11.46	0.003
iPTH (pg/ml)	296 ± 182	277 ± 219	NS	305 ± 254	311 ± 194	NS
Uric acid (mg/dl)	6.95 ± 1.77	6.67 ± 1.67	NS	7.01 ± 1.67	6.70 ± 1.56	NS
Total cholesterol (mg/dl)	139 ± 29	134 ± 27	NS	137 ± 27	143 ± 26	NS
LDL (mg/dl)	56 ± 21	54 ± 28	NS	58 ± 27	55 ± 22	NS
HDL (mg/dl)	52 ± 17	50 ± 17	NS	49 ± 16	58 ± 20	0.070
TG (mg/dl)	153 ± 73	148 ± 80	NS	150 ± 73	157 ± 84	NS
Platelet (1000/mm3)	214 ± 72	224 ± 59	NS	214 ± 52	197 ± 56	NS