Table 2.

Subjects’ laboratory data at the baseline and after 3 months’ sodium ferrous citrate supplementation

	0 months (baseline)	3 months	P‐value
Haemoglobin (g/L)	112 ± 13	115 ± 15	ns
ESA index (U/week/kg/haematocrit)	3.5 (2.1–5.1)	0.8 (0–3.8)	<0.001
Serum phosphate (mmol/L)	1.68 ± 0.42	1.58 ± 0.48	ns
Serum magnesium (mmol/L)	1.07 ± 0.18	1.07 ± 0.15	ns
Serum iPTH (pg/ml)	92 (64–166)	129 (87–175)	ns
Albumin‐adjusted serum Ca (mmol/L)	2.30 ± 0.18	2.30 ± 0.13	ns
Serum C‐reactive protein (mg/L)	2.7 (0.7–6.1)	1.8 (0.4–4.4)	<0.01
Serum albumin (g/L)	33.3 ± 5.7	34.1 ± 5.4	<0.01
Geriatric nutritional risk index	87.7 ± 10.6	89.0 ± 10.4	<0.01
Random plasma glucose (mmol/L)	7.19 ± 1.86	7.18 ± 1.86	ns
Kt/Vurea (/dialysis session)	1.48 ± 0.40	1.52 ± 0.39	ns
nPNA (g/kg/day)	0.91 ± 0.23	0.90 ± 0.16	ns

Values are shown as the mean ± standard deviation or median (interquartile range).

Ca, calcium; ESA index, erythropoiesis‐stimulating agent resistance index; iPTH, intact parathyroid hormone; nPNA, normalized protein equivalent of nitrogen appearance.