[Table/Fig-4]:
Mean values of lung function parameters in sweepers before and after sweeping
| Parameters | Before sweeping (n =25) | After Sweeping (n =25) | Percentage difference (%) | Significance | |
|---|---|---|---|---|---|
| Actual value | |||||
| Mean ± SD | Mean ± SD | *t-value | p-value | ||
| FVC (L) | 1.86 ± 0.33 | 1.45 ± 0.35 | 28.28 | 7.69 | < 0.001, HS |
| FEV1 (L) | 1.52 ± 0.31 | 1.30 ± 0.38 | 16.92 | 3.82 | < 0.001, HS |
| FEV1/FVC (%) | 83.53 ± 16.59 | 92.07 ± 13.82 | -7.10 | 5.38 | < 0.001, HS |
| PEFR (L/s) | 4.47 ± 0.79 | 3.37 ± 1.02 | 32.64 | 9.80 | < 0.001, HS |
| FEF25-75% (L/s) | 2.96 ± 0.69 | 2.20 ± 0.55 | 34.55 | 8.04 | < 0.001, HS |
| FEF200-1200 (L/s) | 2.90 ± 0.97 | 2.34 ± 0.86 | 23.93 | 3.52 | < 0.001, HS |
*unpaired’ test
p < 0.05, Not significant (NS), p < 0.01Significant (S),
p < 0.001, Highly Significant (HS)