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Table 6 Ordinary least squares regression analysis comparing blood results between exposed and unexposed, controlling for age.

From: Cluster of systemic lupus erythematosus (SLE) associated with an oil field waste site: a cross sectional study

Adults

Exposed

Unexposed

Comparison Estimates

 

Number

Mean (SD)

Number

Mean (SD)

Parameter Estimate

P-value

% CD 19 (B-cell)

43

18.07(6.11)

47

14.02(4.68)

3.98

0.0006

% Natural Killer Cells1

43

10.77(5.65)

47

14.26(7.33)

-3.41

0.01

Total bilirubin

87

0.61(0.23)

37

0.54(0.16)

0.07

0.12

gamma-Glutamyl transferase (IU/L)

87

40.07(50.25)

37

19.30(11.53)

21.60

0.01

Globulin (mg%)

87

3.02(0.50)

37

2.86(0.34)

0.15

0.09

Serum CALCIUM (mg%)

87

9.71(0.38)

37

9.23(0.36)

0.48

<0.0001

Creatinine Phosphokinase (IU/L)

87

127.44(90.63)

37

110.43(54.02)

16.02

0.32

  1. 1. Natural Killer Cells = CD16 + 56+/CD45+
  2. SD = Standard Deviation