Refill time (seconds) | |||
---|---|---|---|
⩽6 | 6.5–20 | >20 | |
Mechanics with white finger with cause other than vibrations were excluded. Note that the latter group were exposed to hand-arm vibrations too, and had neurological symptoms. The results for the left hands were similar. All differences between groups with and without VWF were highly significant (p<0.001). | |||
Subjects with VWF | |||
Right radial | 39 | 39 | 22 |
Right ulnar | 25 | 49 | 26 |
Subjects without VWF | |||
Right radial | 67 | 25 | 8 |
Right ulnar | 61 | 30 | 9 |