PARAMETER |
NON-OILWORKERS (N=20)
Mean ± SD |
OIL WORKERS (N=273)
Mean ± SD |
P-Value (2-tailed) |
Normal range & Unit
of parameter |
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 35Yrs |
ESR |
5.45 ± 7.57 |
9.26 ± 8.97 |
0.065 |
0-7mm/hr (M), 0-10mm/hr (F) |
Hb |
13.72 ± 0.93 |
13.38 ± 1.16 |
0.202 |
13-18g/dl (M), 12-15g/dl (F) |
PCV |
45.05 ± 3.05 |
43.94 ± 3.54 |
0.172 |
40-50%(M), 36-47%(F) |
PLATELETS ×109 |
243.35 ± 57.94 |
232.45 ± 64.32 |
0.462 |
150-400 ×109 /L |
TOTAL WBC × 109 |
7.38 ± 1.67 |
7.18 ± 6.94 |
0.898 |
4.0-11.0 ×109 /L |
LYMPHOCYTE |
44.45 ± 8.46 |
52.30 ± 9.33 |
0.000 |
|
GRANULOCYTE |
55.55 ± 8.46 |
47.69 ± 9.31 |
0.000 |
|
T-test was the statistical tool applied. *Indicates statistically significant difference |