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) |
T-test was the statistical tool applied. *indicates statistically significant difference.