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Table 3 Comparison of hematological parameters of study participants

From: Assessment of hematological parameters of petrol filling workers at petrol stations in Gondar town, Northwest Ethiopia: a comparative cross-sectional study

Hematological parameters

Study group (cases) (n = 55)

Control group (n = 55)

P value

RBC (× 1012/l)☼☼

5.38 ± 0.57

4.75 ± 0.52

< 0.001

Hb (g/dl)☼☼

15.51 ± 1.61

13.77 ± 1.54

< 0.001

MCV (fl)☼☼

85.12 ± 3.79

88.77 ± 3.62

< 0.001

WBCs (× 109/l)☼

6.10 (2.4)

6.00 (3.2)

0.995

Hct (%)☼

46.6 (4.5)

42.2 (6.4)

< 0.001

MCH (Pg)☼

29.3 (1.5)

29.2 (1.8)

0.530

MCHC (%)☼

34.2 (1.3)

32.7 (1.1)

< 0.001

Platelet (× 109/l)☼

258 (98)

222 (81)

0.005

Neutrophil (%)☼

52.0 (18.8)

53.2 (10.5)

0.068

Neutrophils absolute (× 109/l)☼

3.00 (2)

3.1 (2.05)

0.357

Lymphocyte (%)☼

37.9 (17.5)

35.3 (11.6)

0.188

Lymphocytes absolute (× 109/l)☼

2.20 (0.9)

2.00 (0.6)

0.037

Mixed (%)☼

9.30 (7.9)

9.30 (4.5)

0.253

Mixed absolute (× 109/l)☼

0.6 (0.4)

0.6 (0.2)

0.538

RDW (%)☼

13.7 (0.9)

13.1 (1.1)

< 0.001

  1. ☼☼Data were expressed as mean (± SD)
  2. ☼Data were expressed as median (IQR)