Prevalence of Vitamin D Deficiency among Hemodialysis Patients in Palestine: A Cross-Sectional Study

Table 3

Markers of mineral metabolism, liver function, renal function, age, and dialysis period according to serum 25 (OH)D levels.

	Severely deficient <10 ng/ml	Deficient 10–30 ng/ml	Normal >30 ng/ml	P values
	n = 36	n = 106	n = 21
Calcium (mg/dL)	8.8 ± 0.9	9.5 ± 0.9	8.9 ± 0.8	0.250
Phosphorus (mg/dL)	4.6 ± 1.0	4.8 ± 1.3	4.5 ± 1.2	0.743
PTH (pg/ml)	498.9 ± 485.7	468.1 ± 628.4	426.3 ± 282.8	0.582
Alkaline phosphatase (U/L)	125.8 ± 104.4	140 ± 250.9	138.6 ± 118.8	0.236
Albumin (g/dL)	3.7 ± 0.33	3.8 ± 0.39	3.7 ± 0.5	0.094
AST (U/L)	12.2 ± 5.2	13.7 ± 5.9	15.1 ± 5.1	0.150
ALT (U/L)	10.9 ± 7.5	11.9 ± 7.1	12.9 ± 8.4	0.160
AST/ALT	1.3 ± 0.6	1.3 ± 0.5	1.4 ± 0.7	0.636

Kruskal–Wallis test;, PTH: parathyroid hormone; ALP: alkaline phosphatase; ALT: alanine transaminase; AST: aspartate transaminase.