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Table 5 Associations between the frequency of chromosomal abnormalities and biometrics (clinical and demographic) data

From: Monitoring of gas station attendants exposure to benzene, toluene, xylene (BTX) using three-color chromosome painting

Biometrics data

≤ 10 chromosomal abnormalities per 1000 metaphases

>10 chromosomal abnormalities per 1000 metaphases

p-value

Gender

  

0.052

  Women

6

4

 

  Men

44

6

 

Age (year)

34.00 (±13.73)

42.00 (±12.51)

0.177

Time of employment (year)

12.50 (±12.53)

18.00 (±8.41)

0.433

Skin color

  

0.002

  Black

33

2

 

  White

14

8

 

  Native American

2

___

 

  Asian

1

___

 

Platelets (mil/μL)

231.50 (±52.41)

195.0 (±61.82)

0.059

Gamma-GT (U/L)

32.0 (±48.47)

32.5 (±12.58)

0.944

Leukocytes (/μL

7020 (±172)

6930 (±151)

0.835

Neutrophils (%)

56.58 (±9.66)

57.00 (±5.48)

1.000

Eosinophils (%)

2.80 (±2.65)

1.84 (±1.49)

0.312

Basophils (%)

0.35 (±0.25)

0.27 (±0.27)

0.585

Typical lymphocytes (%)

33.20 (±8.94)

31.20 (±4.89)

0.565

Monocytes (%)

7.10 (±1.84)

7.28 (±1.43)

0.866

Women

   

Erythrocytes (million/μL)

4.48 (±0.22)

4.51 (±0.35)

0.521

Hemoglobin

13.15 (±0.9)

12.30 (±1.44)

0.669

Hematocrit (%)

38.80 (±3.01)

36.00 (±3.11)

0.915

Mean corpuscular volume (fL)

84.45 (±4.17)

84.90 (±4.88)

0.915

Men

   

Erythrocytes (million/μL)

4.92 (±0.48)

5.00 (±0.13)

0.855

Hemoglobin

14.30 (±1.21)

14.70 (±0.71)

1.000

Hematocrit (%)

42.90 (±3.06)

41.80 (±1.37)

0.944

Mean corpuscular volume (fL)

84.90 (±4.89)

84.90 (±2.42)

0.944

  1. Gamma-GT - Gamma-glutamyltransferase. Gender: OR (95% CI) = 4.71 (0.76 - 28.05). Skin color: Native American and Asian were excluded from statistical analysis because the sample size were below 5; OR (95%) = 9.02 (1.54 a 97.77).