Table 2 Mean values of liver function parameters studied in male oil workers & non-oil male workers
Parameter | Non-oilworkers (N = 20) | Oil workers (N = 273) | P-value (2-tailed) | Normal range & unit of parameter |
|---|---|---|---|---|
Mean ± SD | Mean ± SD | |||
Age | 49.75 ± 5.15* | 43.63 ± 6.98 | 0.000 |  |
Service period | 23.20 ± 7.81* | 16.32 ± 6.47 | 0.000 | Up to 35 yrs |
Total bilirubin | 0.60 ± 0.14 | 0.67 ± 0.20 | 0.124 | 0- 1.00 mg/dl |
ALK. PHOS | 65.90 ± 19.56 | 126.69 ± 39.57* | 0.000 | 50-250 U/L |
AST | 28.02 ± 6.71* | 22.25 ± 11.88 | 0.033 | 0-45 U/L (M), 0-35 U/L (F) |
ALT | 22.80 ±9.00 | 22.55 ± 11.51 | 0.925 | 0-45 U/L (M), 0-35 U/L (F) |