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Table 2 Analysis of hematological data by gestational age in postpartum women attended at IMDL/Manaus-AM (March, 2014 – January, 2015)

From: Basic biochemical and hematological parameters of structural hemoglobin variants in the postpartum women and their respective newborn from Manaus, Amazonas, Brazil

Hematological data

Gestational age (weeks)

p-value

28–31

n = 30

32–35

n = 204

36 or more

n = 586

Means ± SD

RBC (106/μL)

4.01 ± 0.69

4.28 ± 0.44

4.3 ± 0.41

.048

Hemoglobin (g/dl)

12.03 ± 2.12

12.44 ± 1.47

12.5 ± 1.31

.439

Hematocrit (%)

37.30 ± 6.86

38.59 ± 5.52

38.63 ± 4.09

.498

MCV (fL)

90.01 ± 6.13

90.25 ± 6.02

90.07 ± 6.63

.253

MHC (pg)

30.99 ± 1.98

29.14 ± 2.41

29.12 ± 2.26

.651

MCHC (g/dl)

32.30 ± 1.18

32.28 ± 1.44

32.36 ± 1.39

.910

RDW (%)

13.58 ± 1.11

14.01 ± 1.13

14.93 ± 1.26

.575

Leukocytes (/mm3)

12,344.7 ± 3318.9

11,938.3 ± 3404.7

12,280.9 ± 3619.4

.727

Neutrophils (/mm3)

8943.1 ± 2604.4

9055.7 ± 3167.1

9394.2 ± 3634.7

.669

Lymphocytes (/mm3)

1854.9 ± 732.7

1952.6 ± 758.9

1845.7 ± 747.2

.498

Monocytes (/mm3)

755.5 ± 151.5

501.6 ± 264.9

426.2 ± 219.6

<.001

Eosinophils (/mm3)

205.5 ± 75.8

157.2 ± 69.9

165.8 ± 79.5

.005

Basophils (/mm3)

34.6 ± 35.1

67.9 ± 54.8

52.7 ± 49.2

.097

Platelet (×109/L)

257.3 ± 80.9

243.9 ± 71.6

237.1 ± 65.2

.380

MPV (fL)

7.93 ± 1.32

8.95 ± 1.69

8.78 ± 1.41

.110

  1. Statistically significant associations (p < .05) are emphasized in bold type
  2. RBC Red blood cell, MCV Mean corpuscular volume, MCH Mean corpuscular hemoglobin, MCHC Mean corpuscular hemoglobin concentration, RDW Red blood cell distribution width, MPV Mean platelet volume, SD Standard Deviation n Number of postpartum women