Table 2 Iron replacement treatment episodes preceded and/or followed by a biological assessment [transferrin saturation index and/or serum ferritin]from French healthcare coverage databases (EGB) 2006–2013.

From: Iron deficiency markers in patients undergoing iron replacement therapy: a 9-year retrospective real-world evidence study using healthcare databases

 

Assessment before treatment

Assessment after treatment

Assessment before AND after treatment

n

(%)

n

(%)

n

(%)

Alltotal sample (n = 166 015 episodes)

Transferrin saturation (TSAT)

1677

(1.0)

863

(0,5)

  

Ferritin

56,081

(33.8)

24,952

(15.0)

  

TSAT or ferritin

57,510

(34.6)

25,654

(15.5)

12,161

(7.3)

Oral iron replacement therapytotal sample (n = 165 100 episodes)

TSAT

1631

(1.0)

823

(0.5)

  

Ferritin

55,472

(33.6)

24,398

(14.8)

  

TSAT or ferritin

56,890

(34.5)

25,087

(15.2)

11,661

(7.1)

Iron replacement therapy—patients without chronic diseases (n = 126 755 episodes)

TSAT

978

(0.8)

433

(0.3)

  

Ferritin

31,531

(24.9)

14,081

(11.1)

  

TSAT or ferritin

43,881

(34.6)

16,607

(13.1)

7,774

6.1

Iron replacement therapy—patients with chronic diseases (n = 29 171 episodes)

TSAT

544

(1.9)

351

(1.2)

  

Ferritin

9,309

(31.9)

6,685

(22.9)

  

TSAT or ferritin

10,107

(34.6)

6,948

(23.8)

3,438

(11.8)