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Table 5 Geometric mean levels (and 95% confidence intervals) of selected complete blood count data by serum organochlorine pesticide 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 marker

n

Mirex

1

2

3

4

Lymphocyte number (106 cells/mL)

1940

2.05 (1.99, 2.1)

2.25* (2.16, 2.34)

2.05 (1.88, 2.22)

2# (1.9, 2.11)

Segmented neutrophils number (106 cells/mL)

1940

4.14 (4.02, 4.26)

4.15 (3.96, 4.35)

3.79 (3.49, 4.12)

3.85* (3.66, 4.05)

White blood cell count (106 cells/mL)

1951

7.13(6.98, 7.3)

7.32 (7.07, 7.57)

6.81 (6.4, 7.24)

6.79*,# (6.55, 7.03)

  

p,p’-DDT

Lymphocyte number (106 cells/mL)

1954

1.96 (1.88, 2.04)

2.13* (2.03, 2.24)

2.08 (2.01, 2.15)

2.11* (2.02, 2.21)

Segmented neutrophils number (106 cells/mL)

1954

4.2 (4.03, 4.36)

4.08 (3.92, 4.26)

4.05 (3.87, 4.25)

3.81*,# (3.69, 3.93)

  

Trans-nonachlor

Lymphocyte number (106 cells/mL)

1944

1.91 (1.82, 2.01)

1.95 (1.88, 2.02)

2.1* (1.99, 2.21)

2.19*,#,† (2.11, 2.26)

Segmented neutrophils number (106 cells/mL)

1944

3.68 (3.47, 3.89)

4.08* (3.94, 4.23)

4.12* (3.94, 4.31)

4.08* (3.9, 4.26)

White blood cell count (106 cells/mL)

1955

6.5 (6.23, 6.78)

6.97* (6.78, 7.16)

7.15* (6.9, 7.42)

7.24* (7.03, 7.46)

  

Oxychlordane

Lymphocyte number (106 cells/mL)

1967

1.92 (1.83, 2.02)

2.07* (2.01, 2.14)

2.07* (1.99, 2.17)

2.18* (2.06, 2.32)

Segmented neutrophils number (106 cells/mL)

1967

3.85 (3.67, 4.04)

4.31* (4.18, 4.44)

3.99# (3.83, 4.17)

4.08 (3.86, 4.3)

White blood cell count (106 cells/mL)

1978

6.68 (6.42, 6.94)

7.36* (7.22, 7.51)

6.98# (6.76, 7.21)

7.24* (6.95, 7.54)

  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.