Table 2.
Result | Medical history for metal sensitivity | Patch testing | Lab testing (evaluated from 2006) |
---|---|---|---|
Positivity | Ascertained: 9 / 24 | Nickel: 21 / 24 | Nickel: 5 / 6 |
Chrome: 6a / 24 | Chrome: 4a / 5 | ||
Suspected: 13 / 24 | Cobalt: 4 / 24 | Cobalt: 1 / 1 |
a One subject was negative to chrome at the patch testing, but was found positive to LTT