Anemia in inflammatory bowel disease: A neglected issue with relevant effects

Table 1 Laboratory findings in anemia of inflammatory bowel disease patients

Biomarkers	IDA	ACD	Mixed anemia
MCV (fL)	< 80	Normal or reduced	Normal or reduced
MCH (pg)	< 27	Normal	Normal
CHr (pg)	< 28	Normal	Normal
C-RP (mg/dL)	Vormal	> 5	> 5
ferritin (ng/mL)	< 30	> 100	30-100
TfS (%)	< 20	< 20	< 20
Ferritin index	> 3.2	< 11	> 2
sTfR	Increased	Normal	Normal or increased
Hepcidin (nmol/L)	Reduced	Increased (> 4)	Increased (> 4)

MCV: Mean corpuscular volume; MCH: Mean corpuscular hemoglobin; CHr: Reticulocyte hemoglobin content; C-RP: C-reactive protein; TfS: Transferrin saturation; sTfR: Soluble transferrin receptor; IDA: Iron deficiency anemia; ACD: Anemia of chronic disease.