Table 1
Prevalence of Asbestos-Related Pulmonary and Pleural Radiographic Abnormalities by Latency since First Exposure among Workers in a Friction Products Plant, Colombia, South America.
| Latency (Yrs) | No. Workers Examined | No. Workers Positive | Prevalence (%) |
|---|---|---|---|
| 4–5 | 2 | 0 | 0 |
| 6–9 | 13 | 0 | 0 |
| 10–14 | 19 | 5 | 26.3 |
| 15–19 | 27 | 7 | 25.9 |
| 20–24 | 58 | 6 | 17.2 |
| 25–29 | 24 | 1 | 4.1 |
| 30–34 | 5 | 0 | 0 |