Table 4.

Biochemical variables.

Biochemical variable	PDF fortification, mean±SD	No fortification, mean±SD	P value
Serum calcium, mg/dL
At beginning of study	9.24±1.1	9.42±1.07	0.54
At discharge	9.58±0.67	9.69±1.12	0.67
Serum phosphorus, mg/dL
At beginning of study	4.8±0.993	4.36±0.93	0.10
At discharge	4.36±1.05	4.4±1.47	0.59
Serum albumin, g/dL
At beginning of study	2.8±0.33	2.9±0.54	0.24
At discharge	2.95±0.32	3.06±0.32	0.30
Serum blood urea nitrogen, mg/dL
At beginning of study	10.20±6.73	12.2±5.3	0.14
At discharge	14.80±4.76	16.36±8.76	0.44
Hemoglobin, g/dL
At beginning of study	17.35±2.08	17.75±75	0.51
At discharge	11.94±2.32	10.75±1.47	0.04
Hematocrit, g/dL
At beginning of study	47.63±5.22	48.74±5.79	0.48
At discharge	34.11±6.6	30.95±4.59	0.051