Table 3. Laboratory Measures of Iron... | American Society of Hematology

Table 3.

Laboratory Measures of Iron Depletion

Parameter	Before Phlebotomy	Last Follow-up	Two-tailed P Value
Serum ferritin ( μg/L)	2,587 (2,129-4,817)	417 (210-982)	<.0001^3-150
Total transferrin (g/L)	2.34 ± 0.37	2.7 ± 0.58	.0001^3-151
Unbound transferrin (g/L)	0.11 (0.02-0.42)	1.47 (0.63-2.14)	<.0001^3-150
Transferrin saturation (%)	90 ± 14	50 ± 29	<.0001^3-151
Liver iron concentration (mg/g dw)	20.8 (15.5-28.1)	4.2 (1.6-14.6)	<.0001^3-150

Parameter	Before Phlebotomy	Last Follow-up	Two-tailed P Value
Serum ferritin ( μg/L)	2,587 (2,129-4,817)	417 (210-982)	<.0001^3-150
Total transferrin (g/L)	2.34 ± 0.37	2.7 ± 0.58	.0001^3-151
Unbound transferrin (g/L)	0.11 (0.02-0.42)	1.47 (0.63-2.14)	<.0001^3-150
Transferrin saturation (%)	90 ± 14	50 ± 29	<.0001^3-151
Liver iron concentration (mg/g dw)	20.8 (15.5-28.1)	4.2 (1.6-14.6)	<.0001^3-150

Tests of significance performed with Wilcoxon test for comparison of ordered values (median [25 to 75 percentile]).

Tests of significance were performed with paired Student's t-test for comparison of mean ± SD.