Characteristics of cumulatively most exposed workers and age stratified controls participating in the echocardiographic examination
| Characteristic | Exposed group (n = 122) | Control group (n = 60) |
|---|---|---|
| *Regularly >0.01 mg Co/m3. | ||
| Age (y) | ||
| Mean (SD) | 46.8 (8.1) | 47.2 (8.1) |
| Median (range) | 49 (27–62) | 49 (28–60) |
| Height (cm) | ||
| Mean (SD) | 177.6 (5.7) | 176.2 (6.5) |
| Median (range) | 178 (165–193) | 175 (164–192) |
| Weight (kg) | ||
| Mean (SD) | 84.4 (12.2) | 84.9 (11.5) |
| Median (range) | 84 (59–142) | 82 (67–118) |
| Work history (y) | ||
| Mean (SD) | 22.9 (9.7) | 24.6 (7.7) |
| Median (range) | 25 (2–34) | 26 (3–36) |
| Exposure time to cobalt (y)* | ||
| Mean (SD) | 21.2 (9.9) | |
| Median (range) | 24 (1–34) | |
| Exposure to cobalt (mg-y) | ||
| Mean (SD) | 0.58 (0.51) | |
| Median (range) | 0.47 (0.03–2.52) | |