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Table 3 Clinical laboratory results

From: High lead exposure in two leaded bronze ingot foundry workers

 

Primary Operator

Assistant Operator

Blood lead level (μg/dL)

Initial sampling (Dec. 24, 2013)

61.1

51.7

1st follow-up sampling (Jan. 16, 2014)

63.1

68.8

2nd follow-up sampling (Feb. 21, 2014)*

40.8

45.2

3rd follow-up sampling (Mar. 24, 2014)*

39.0

44.7

4th follow-up sampling (Apr. 24, 2014)*

42.0

-†

Blood analysis (at initial sampling)

Hemoglobin (g/dL)

15.8

16.3

Hematocrit (%)

46.4

47.6

RBC (x103/μL)

5.39

5.56

WBC (x103/μL)

5.68

10.09

Platelet (x103/μL)

227

245

Creatinine (mg/dL)

1

0.89

Urinary analysis (at 1st follow-up sampling)

Urine lead level (μg/g creatinine)

27.57

125.6

β2-microglobulin (mg/day)

-

0.04

Blood pressure (at initial sampling)

Systolic blood pressure (mmHg)

130

120

Diastolic blood pressure (mmHg)

70

90

Blood cell morphology

1st follow-up sampling (Jan. 16, 2014)

Slight platelet aggregation

-

2nd follow-up sampling (Feb. 21, 2014)*

Slight platelet aggregation

Normal

3rd follow-up sampling (Mar. 24, 2014)*

Normal

Normal

4th follow-up sampling (Apr. 24, 2014)*

Normal

-†

  1. * After job reallocation.
  2. † The assistant operator left the company before the fourth follow-up.