Table 1

Characteristics of patients and healthy controls.

Group Subject n.
Sex
Age range (median)
Patch test to Ni
Patch test to Pd
Patch test to Rh

1 n = 10
9 F
28 – 40 (30)
9 +++
9 -
9 -

1 M
30
1 +++
1 -
1 -
2 n = 10
9 F
28 – 38 (33)
9 -
7+++/2 ++
9 -

1 M
40
1 -
1 ++
1 -
3 n = 10
9 F
29 – 40 (32)
9 +++
6 ++/3 +
9 -

1 M
39
1+++
1 +
1 -
4 n = 10
9 F
28 – 38 (33)
9 -
9 -
9 -

1 M
36
1 -
1 -
1 -

As described in the methods, patch test reactivity to the different metal salts was defined as strong (+++: oedema, erythema, papules and vesicles), moderate (++: oedema, erythema and papules), weak (+: oedema and erythema) or no reaction (-).

Bordignon et al. BMC Immunology 2008 9:19   doi:10.1186/1471-2172-9-19