Research Article
Occupational Exposure to Respirable Suspended Particulate Matter and Lung Functions Deterioration of Steel Workers: An Exploratory Study in India
Table 3
Student’s t-test statics of lung functions of exposed group v/s control group.
| Parameter | Exposed group () mean Std. deviation | Control group () mean Std. deviation | Mean difference | “P” value |
| Age | 31.28 (9.12) | 29.36 (6.30) | 1.91022 | 0.089 | BMI | 22.45 (3.30) | 22.05 (2.53) | .39264 | 0.339 | FVC | 3.46 (0.60) | 3.82 (0.67) | −.35855 | 0.001 | | 2.72 (0.53) | 3.32 (0.56) | −.59251 | 0.001 | /FVC ratio | 78.65 (8.79) | 87.25 (10.08) | −8.59914 | 0.001 | | 2.60 (0.99) | 3.86 (1.15) | −1.26551 | 0.001 | PEFR | 6.93 (1.64) | 7.73 (1.66) | −.80842 | 0.001 | FIVC | 2.98 (0.79) | 3.37 (0.80) | −.39534 | 0.000 | PIFR | 3.68 (1.40) | 4.55 (1.53) | −.87481 | 0.001 |
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