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Table 3 Comparison of hematological parameters between non- smokers and Smokers sub-groups

From: Relationship between tobacco smoking and hematological indices among Sudanese smokers

Hematological parameters

Nonsmokers (n = 60)

Cigarettes smokers (n = 20)

Shisha smokers (n = 20)

Both smokers (n = 20)

P1

P2

P3

RBCs (× 1012/L)

5.18 ± 0.47

5.25 ± 0.29

5.52 ± 0.52

5.35 ± 0.42

0.613

0.007*

0.142

Hb (g/dl)

15.17 ± 1.23

15.6 ± 1.28

16.84 ± 1.6

16.06 ± 1.63

0.089

0.001*

0.011*

HCT (%)

46.1 (37.5–60.5)

44.65 (36.3–48.5)

47.75 (38.4–52.9)

45.95 (36.3–50.4)

0.036*

0.898

0.194

WBCs (× 109/L)

4.75 (2.4–8.0)

5.75 (3.3–9.9)

4.9 (3.2–11.1)

5.1 (4.0–7.7)

0.023*

0.178

0.236

Neutrophils (× 109/L)

1.7 (0.4–12.50)

2.65 (1.3–6.1)

2.7 (1.1–7.4)

2.4 (1.3–5.1)

0.001*

0.001*

0.004*

Lymphocytes (× 109/L)

2.0 (1.1–4.8)

2.0 (1.3–6.1)

1.8 (0.3–3.8)

1.95 (1.1–4.0)

0.705

0.066

0.273

Mixed

0.5 (0.1–1.8)

0.6 (0.2–1.5)

0.65 (0.2–2.0)

0.55 (0.2–1.6)

0.474

0.310

0.737

MCV (Fl)

90.1 (69.8–117.5)

84.5 (67.1–91.0)

87 (74.3–95.0)

85.1 (77.6–93.6)

0.001*

0.013*

0.001*

MCH (Pg)

29.65 (21.5–35.7)

30.15 (21.2–32.1)

30.95 (25.5–34.0)

30.2 (26.6–33.7)

0.359*

0.010*

0.248

MCHC (g/dl)

32.45 (26.6–36.9)

32.25 (31.6–36.7)

35.6 (34.4–37.2)

35.5 (33.6–37.0)

0.001*

0.001*

0.001*

PLT (× 109/L)

258 (126–425)

267.5 (104–354)

249.5 (143–443)

266 (106–359)

0.494

0.434

0.609

RDW (%)

14.1 (11.4–16.8)

15.15 (13.6–19.9)

15.95 (14–18.1)

16.0 (13.9–20.5)

0.001*

0.001*

0.001*

MPV (fl)

15.05 (9.3–20.3)

6.9 (5.7–8.6)

6.5 (5.8–9.3)

6.8 (5.1–8.3)

0.001*

0.001*

0.001*

PDW (fl)

9.5 (8.1–15.2)

14.9 (13.6–17.9)

14.9 (13.6–17.9)

14.55 (12.5–18.1)

0.001*

0.001*

0.001*

  1. Data are presented as means ± SD or medians (range)
  2. *Significance of difference in Mann–Whitney test for data following non-normal distributed and t-test for normal distributed data
  3. P1: non-smokers versus Cigarettes Smokers, P2: non-smokers versus Shisha Smokers, P3: non-smokers versus Both (Cigarettes and Shisha) smokers