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Table 1 Geometric mean levels (and 95% Confidence Intervals) of complete blood count data by serum dioxin like (DL) PCB exposure groups (1 = lowest, 4 = highest)

From: Potential effects of polychlorinated biphenyls (PCBs) and selected organochlorine pesticides (OCPs) on immune cells and blood biochemistry measures: a cross-sectional assessment of the NHANES 2003-2004 data

Blood count data

n

Total dioxin like (DL) PCBs

1

2

3

4

Segmented neutrophils number (106 cells/mL)

1925

4.32 (4.04, 4.63)

4.06 (3.89, 4.23)

4.05 (3.94, 4.16)

3.69*,#,† (3.54, 3.86)

Hematocrit (%)

1935

42.9 (42.3, 43.5)

42.9 (42.3, 43.6)

42.9 (42.6, 43.3)

42*,#,† (41.5, 42.5)

Hemoglobin (g/dL)

1935

14.5 (14.3, 14.8)

14.6 (14.4, 14.8)

14.5 (14.4, 14.7)

14.2*,#,† (14.1, 14.4)

Lymphocyte percent (%)

1925

28.1 (27, 29.2)

29.1 (28.4, 29.9)

28.5 (27.6, 29.4)

29.9*,† (29.1, 30.7)

Mean cell hemoglobin (pg)

1935

30.4 (30, 30.8)

30.8* (30.4, 31.1)

30.6 (30.4, 30.8)

30.4 (30.1, 30.8)

Monocyte percent (%)

1925

7.13 (6.76, 7.52)

7.37 (7.06, 7.69)

7.37 (7.17, 7.59)

7.82*,† (7.56, 8.08)

Platelet count (106 cells/mL)

1935

274 (268, 281)

257* (249, 266)

263 (255, 271)

250*,† (242, 257)

Red blood cell count (109/mL)

1935

4.77 (4.71, 4.84)

4.74 (4.69, 4.8)

4.76 (4.72, 4.79)

4.67*,† (4.62, 4.73)

White blood cell count (106 cells/mL)

1935

7.36 (6.97, 7.78)

7.04 (6.77, 7.33)

6.95 (6.76, 7.15)

6.45*,#,† (6.2, 6.72)

  1. Comparisons are adjusted for age and gender. *p < 0.05 when compared to geometric mean of the first group; #p < 0.05 when compared to geometric mean of the second group; †p < 0.05 when compared to geometric mean of the third group.