Alopecia and Iron Deficiency: An Interventional Pilot Study in Primary Care to Improve the Request of Ferritin

Table 1

Demographic characteristics of patients in the retrospective and prospective study and ferritin and hemoglobin median values.

	Retrospective study			Prospective study
	Women	Men	P value	Women	Men	P value
N; (%)	285; 83.1%	58; 16.9%		841; 81.5%	191; 18.5%
Age (median; IQR)	39; 26	26; 19	<0.001	41; 29	26; 17	<0.001
Ferritin ng/mL (median; IQR)	45; 56	133; 84.5		52; 67	147; 118
Hemoglobin g/dL (median; IQR)	13.5; 1.1	15.7; 1.3		13.5; 1.3	15.3; 1.4