Table 2 The median cumulative dust exposure according to the main place of exposure in current foundry workers and ex-foundry workers
From: The prevalence of respiratory symptoms and diseases and declined lung function among foundry workers
| Â | Cumulative dust exposure (mg-y) | p-value | |||
|---|---|---|---|---|---|
Smeltery at work n = 40 left work n = 6 | Molding shop at work n = 152 left work n = 21 | Fettling shop at work n = 98 left work n = 17 | Other at work n = 44 left work n = 20 | ||
Current foundry workers # | 75.00 (27.00–146.75) | 77.00 (35.00–199.75) | 37.00 (19.50–101.00) | 36.00 (12.50–70.00) | < 0.001*a |
Ex-foundry workers | 121.00 (95.25–170.50) | 194.00 (141.00–245.50) | 121.00 (69.50–428.50) | 66.00 (41.00–86.50) | < 0.001*a |