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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