Table 4 Lung function test parameters in 120 rice mill workers and 50 controls
From: Prevalence of respiratory symptoms and disorders among rice mill workers in India
Parameters | Rice mill workers (mean ± SD) | Controls (mean ± SD) | t value | p value |
|---|---|---|---|---|
FVC (l) | 3.44 ± 0.11 | 4.56 ± 0.18 | 49.56 | <0.05 |
FEV1 (l) | 2.73 ± 0.15 | 3.58 ± 0.18 | 31.69 | <0.05 |
% FEV1/FVC | 79.02 ± 3.24 | 74.24 ± 1.93 | 9.72 | <0.05 |
PEFR (l/min) | 304.95 ± 28.79 | 364.5 ± 21.71 | 13.14 | <0.05 |