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Table 1 Overview of demographic and clinical characteristics, and results of PT and LTT

From: Hypersensitivity reactions to metal implants: laboratory options

Group 1

Gen

Dental fillings

Familiarity for allergy

Professional exposure

Known allergies

Jewelry allergy

Cosmetic allergy

PT reactivity

LTT response

1

F

Yes

None

None

Ni

Yes

None

++++Ni

++++Ni,+Cr,

2

F

Yes

Yes

None

Ni

Yes

Yes

++Ni

+++Ni,+Cr,+Ti

3

F

Yes

None

None

Ni

Yes

None

++Ni,+Co

+Ni

4

F

Yes

Yes

None

Ni

Yes

None

+++Ni

+Ni,+Cr

5

F

Yes

None

None

Ni,Cr

Yes

None

+Ni

Neg

6

F

Yes

None

Yes

Ni

Yes

Yes

++Ni

Neg

7

F

Yes

None

None

None

Yes

Yes

+Ni

+Ni

8

F

Yes

None

None

None

Yes

Yes

+/−Ni

+Ni

Group 2A

1

F

None

None

None

Ni

None

None

++Ni

+Ni

2

F

Yes

None

None

None

None

None

++Co

+Ni,+Cr,+Mo

3

F

None

None

Yes

Ni

Yes

None

++Ni

++Ni,+Cr

4

F

None

None

Yes

Ni

Yes

None

++Ni

+ Ni

5

F

Yes

None

None

Ni

Yes

None

++Ni

+ Ni

6

F

Yes

None

None

Ni

Yes

None

++Ni

++Ni

7

F

Yes

None

Yes

Ni

Yes

Yes

Neg

+Ni

8

F

Yes

None

None

Ni

Yes

Yes

Neg

+Ni

9

M

Yes

None

Yes

Ni

None

Yes

Neg

+Ni,+Cr,+Co,+Ti

10

F

None

None

None

None

Yes

None

Neg

+Ni,+Cr

11

M

None

None

None

None

None

None

Neg

+Ni

Group 2B

12

F

Yes

Yes

None

None

Yes

Yes

Neg

Neg

13

F

Yes

None

None

None

None

None

Neg

Neg

14

F

Yes

None

None

None

None

None

Neg

Neg

15

M

Yes

None

None

None

None

None

Neg

Neg

16

F

Yes

None

None

None

Yes

Yes

Neg

Neg

17

F

Yes

None

None

None

Yes

None

Neg

Neg

18

F

None

None

None

None

None

None

Neg

Neg

19

F

Yes

None

Yes

None

Yes

None

+Cr

Neg

20

M

Yes

None

None

None

None

None

+Ni,+Co

Neg

21

F

None

None

None

None

None

None

+/−Co

Neg

22

M

Yes

Yes

None

None

None

None

+/− Cr

Neg