Table 3.
Clinical laboratory results
| 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 (×103/μL) | 5.39 | 5.56 |
| WBC (×103/μL) | 5.68 | 10.09 |
| Platelet (×103/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 | -† |
*After job reallocation.
†The assistant operator left the company before the fourth follow-up.