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Table 2 Index-tests (erythrogram and ferritin) and reference-standard (therapeutic test with oral iron) results (144 pregnant women)

From: Could the erythrocyte indices or serum ferritin predict the therapeutic response to a trial with oral iron during pregnancy? Results from the Accuracy study for Maternal Anaemia diagnosis (AMA)

 

Response to the therapeutic test with oral iron (increase ≥ 0.55 in Hb Z-score)

Index-tests

Present (iron-responsive)

Absent (not iron-responsive)

Total

Undefined

Red blood cell count

 Positive (<3.8•1012 cells/L)

32

79

111

04

 Negative

05

23

28

01

 Total

37

102

139

05

Haemoglobin

 Positive (<10.5 g/dL)

20

48

68

02

 Negative

17

54

71

03

 Total

37

102

139

05

HTC

 Positive (<32.0 %)

22

54

76

01

 Negative

15

48

63

04

 Total

37

102

139

05

MCV

 Positive (<81.0 fL)

07

14

21

01

 Negative

30

88

118

04

 Total

37

102

139

05

MCH

 Positive (<26.0 pg)

07

13

20

01

 Negative

30

89

119

04

 Total

37

102

139

05

MCHC

 Positive (<32.0 g/dL)

12

17

29

03

 Negative

25

85

110

02

 Total

37

102

139

05

RDW

 Positive (14.0 %)

08

25

33

00

 Negative

29

77

106

05

 Total

37

102

139

05

Reticulocyte count

 Positive (<1.0 %)

02

05

07

01

 Lost or not performed

02

15

17

00

 Negative

33

82

115

04

 Total

37

102

139

05

Serum Ferritin

 Positive (<12.0 ng/mL)

12

25

37

01

 Lost or not performed

02

05

07

00

 Negative

23

72

95

04

 Total

37

102

139

05