Table 3: Student’s t-test statics of lung functions of exposed group v/s control group.

ParameterExposed group ( )
mean
Std. deviation
Control group
( ) mean
Std. deviation
Mean differenceP” value

Age31.28 (9.12)29.36 (6.30)1.910220.089
BMI22.45 (3.30)22.05 (2.53).392640.339
FVC3.46 (0.60)3.82 (0.67)−.358550.001
2.72 (0.53)3.32 (0.56)−.592510.001
/FVC ratio78.65 (8.79)87.25 (10.08)−8.599140.001
2.60 (0.99)3.86 (1.15)−1.265510.001
PEFR6.93 (1.64)7.73 (1.66)−.808420.001
FIVC2.98 (0.79)3.37 (0.80)−.395340.000
PIFR3.68 (1.40)4.55 (1.53)−.874810.001