Table 1 Number of ferritin test results included in each age and gender groups included in the analyses.

From: Clinical thresholds for diagnosing iron deficiency: comparison of functional assessment of serum ferritin to population based centiles

Age

Female

Male

Frequency

With Hb

With MCV

With MCH

With MCHC

With RDW

Frequency

With Hb

With MCV

With MCH

With MCHC

With RDW

2

599

2064

2061

1898

1682

1634

851

2754

2746

2542

2231

2224

3

731

1010

4

855

1078

5

955

9939

9893

9033

8144

8027

1185

9456

9418

8565

7783

7455

6

1038

1083

7

1198

1221

8

1223

1256

9

1299

1201

10

1383

1290

11

1499

1345

12

1772

1308

13

2602

26,208

26,100

22,947

20,740

19,733

1580

11,204

11,167

9885

8821

8623

14

3323

1725

15

4358

1863

16

5189

1988

17

5950

2292

18

5936

2257

Total

39,910

38,211

38,054

33,878

30,566

29,394

24,533

23,414

23,331

20,992

18,835

18,302

  1. Number of ferritin results accompanied by erythrocyte parameters also described.
  2. Hb hemoglobin, MCV mean corpuscular volume, MCH mean corpuscular hemoglobin, MCHC mean corpuscular hemoglobin concentration, RDW red cell distribution width.
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