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Table 1 Leukocytes and percentage differential storage changes in donor blood

From: Storage related haematological and biochemical changes in Plasmodium falciparum infected and sickle cell trait donor blood

TWBC and differentials

Baseline Mean

Week 1 Mean (%∆)

Week 2 Mean (%∆)

Week 3 Mean (%∆)

Week 4 Mean (%∆)

Week 5 Mean (%∆)

P-value

Sickle cell/malaria negative donor blood

 TWBCx109/L

5.63

3.89(−30.9)

2.90(−48.4)

2.49(−55.7)

2.27(− 59.6)

2.09(−62.3)

0.001*,a

 Neut %

66.18

60.09(− 9.2)

52.77(−20.2)

49.49(− 25.2)

44.21(− 33.2)

40.88(− 38.2)

0.054b

 Lymp %

27.28

33.42(22.5)

39.83(46.0)

41.92(53.6)

46.94(72.0)

50.28(84.3)

0.092b

 Eos %

3.03

2.73(−9.9)

2.42(−20.1)

3.32(9.5)

3.00(−0.9)

3.49(15.2)

0.845a

 Mon %

3.27

3.52(7.6)

4.64(41.9)

4.94(51.1)

5.50(68.2)

4.96(51.6)

0.009b

 Bas %

0.24

0.25(4.1)

0.35(45.8)

0.33(37.5)

0.35(45.8)

0.39(62.5)

0.033b

Sickle cell trait donor blood

 TWBCx109/L

6.36

5.08 (−20.1)

4.42 (−30.5)

4.24 (−33.3)

3.74 (−41.2)

3.57 (−43.8)

0.001*,b

 Neut %

56.26

50.91 (−9.5)

39.58(−29.6)

32.64 (−41.9)

31.99 (− 43.1)

25.90 (− 53.9)

0.001*,b

 Lymp %

37.50

43.06 (14.8)

51.48 (37.3)

61.46 (63.9)

62.79 (67.4)

66.28 (76.7)

0.001*,1

 Eos %

3.34

2.45 (−26.6)

2.50 (− 25.1)

1.56 (−53.3)

1.69 (−49.4)

2.77 (−17.0)

0.020a

 Mon %

2.71

3.59 (32.4)

3.94 (45.4)

4.02 (48.3)

3.24 (19.5)

4.76 (75.6)

0.179b

 Bas %

0.20

0.20 (0.0)

0.38 (90.0)

0.32 (60.0)

0.30 (50.0)

0.29 (45.0)

0.069b

Asymptomatic malaria donor blood

 TWBCx109/L

6.08

4.49 (−26.1)

4.13 (−32.1)

3.77 (−37.9)

3.54 (−41.7)

3.21 (−47.2)

0.001a

 Neut %

72.09

60.89 (−15.5)

47.78 (−33.7)

39.79 (−44.8)

42.91 (−40.4)

36.07 (− 49.9)

0.001*,b

 Lymp %

31.67

32.53 (2.7)

45.65 (44.1)

52.53 (65.8)

49.52 (56.3)

55.63 (75.6)

0.001*,b

 Eos %

2.38

2.50 (5.0)

2.01 (−15.5)

2.26 (−5.0)

2.39 (0.4)

2.69 (13.0)

0.265a

 Mon %

3.56

3.72 (4.5)

4.68 (31.4)

5.08 (42.6)

4.57 (28.4)

5.29 (48.6)

0.095b

 Bas %

0.30

0.36 (20.0)

0.33 (10.0)

0.34 (13.3)

0.31 (3.3)

0.32 (6.6)

0.804a

  1. Abbreviations: TWBC = total white blood cells, Neut = Neutrophils, Lymp = Lymphocytes, Eos = Eosinophils, Mon = Monocytes, Bas = Basophils, % = Percent, L = Liter, ANOVA = Analysis of variance, SD = Standard deviation
  2. *p values less than 0.001, ap-value determined by Kruskal-Wallis H test, bp-value determined by one-way ANOVA