Table 2.
Blood biological parameters among gasoline station workers
| Parameter | Referencea | Mean or % N = 105 |
SD | Min–Max |
|---|---|---|---|---|
| Red blood cells | ||||
| Hb (gm%) | 13.0–17.0 | 14.1 | 1.8 | 6.1–17.3 |
| Hct (%) | 39.0–51.0 | 41.8 | 4.5 | 22.0–49.0 |
| MCV (ft) | 80.0–98.0 | 81.9 | 8.9 | 57.2–98.7 |
| Abnormal RBC (%) | 27.6 | – | – | – |
| Abnormal Hb (%) | 44.8 | – | – | – |
| White blood cells | ||||
| Total WBC (X109/L) | 5.0–10.0 | 7.83 | 1.62 | 4.7–13.1 |
| N (%) | 40.0–75.0 | 52.9 | 10.5 | 1.0–78.0 |
| L (%) | 20.0–45.0 | 34.0 | 7.7 | 1.0–54.0 |
| Mo (%) | 2.0–10.0 | 5.7 | 1.6 | 1.0–10.0 |
| Eo (%) | 1.0–6.0 | 6.0 | 5.4 | 0.0–26.0 |
| Ba (%) | 0.0–1.0 | 0.4 | 0.5 | 0.0–1.0 |
| Platelets (%) | 150.0–400.0 | 256.6 | 6.6 | 121.0–527.0 |
| Blood chemistry | ||||
| BUN (mg%) | 6.0–20.0 | 11.8 | 3.2 | 6.0–20.0 |
| Cr (mg%) | 0.5–1.5 | 1.0 | 0.2 | 0.5–1.8 |
| SGOT (U/L) | 0.0–40.0 | 26.0 | 18.8 | 1.0–150.0 |
| SGPT (U/L) | 0.0–40.0 | 30.9 | 25.6 | 2.0–165 |
| ALP (U/L) | 26.0–117.0 | 71.8 | 38.0 | 26.0–298.0 |
| BuChE (U/L) | 4,260.0–12,920.0 | 9,222.4 | 2,323.6 | 4,656.0–16,154.0 |
aFaculty of Allied Health Sciences, Chulalongkorn University