Table 6 Prevalence of lung diseases
Groups | Control n (%) | Photocopier operators n (%) | p value | Photocopiers n = 46 | Control n = 29 | p value |
|---|---|---|---|---|---|---|
Restriction | 12 (28) | 24 (30) | 0.841 | 5 (11) | 3 (10) | 0.766 |
Obstruction | 4 (9) | 8 (10) | 0.918 | 12 (26) | 10 (35) | 0.305 |
Restriction & obstruction | 2 (5) | 4 (5) | 0.967 | 4 (9) | 2 (7) | 0.780 |