Table 1. Iron statusa as defined in the present paper.

Classification	Values of iron indicators
	SF (μg/l)	sTfR (mg/l)
Iron sufficiencyb	⩾15	⩽8.5
Iron depletionc	<15	⩽8.5
IDb	<15	>8.5
IDA	<15	>8.5

Abbreviations: CRP, C-reactive protein; ID, iron deficiency; IDA, iron deficiency with anaemia; SF, serum ferritin; sTfR, soluble transferrin receptor.

^aIron status is considered in the presence of CRP<5 mg/l.

^bWith or without anaemia.

^cWithout ID and with or without anaemia.