Table 2.

Descriptive statistics

Variable	Minimum	Maximum	Mean	SD
Wt gain, kg	0.2	5.5	2.799	0.9851
URR, %	53	84	70.53	5.145
Calcium, mg/dL	6.2	10.9	8.984	0.6864
PO4, mg/dL	2.8	11.0	5.289	1.6676
PTH, pg/mL	33	2,458	524.50	458.066
Albumin, mg/dL	2.2	4.5	3.886	0.3521
Hemoglobin, g/dL	6.7	14.2	10.401	1.3438
Vintage of dialysis, years	0.2	22.0	4.280	4.8477

Abbreviations: SD, standard deviation; Wt, weight; PTH, parathyroid hormone; URR, urea reduction ratio.