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Table 3 PPD or Ni patch test results and respective S.I. IFN-γ values in response to antigens

From: A laboratory test based on determination of cytokine profiles: a promising assay to identify exposition to contact allergens and predict the clinical outcome in occupational allergic contact dermatitis

Patients Patch test PPD SI PPD Patch test Ni SI ni
1 +++ 4.33 ++ 5.62
13 +++ 10.68 ++ 2.38
2 ++ 3.96 neg 1.90
3 ++ 5.17 neg 1.37
4 ++ 4.07 neg 0.91
5 + 3.60 neg 0.85
14 ++ 5.06 neg 2.02
15 + 1.81 neg 0.90
10 neg 1.86 + 4.20
11 neg 1.17 ++ 3.83
12 neg 2.03 + 4.05
6 neg 0.47 neg 1.14
7 neg 0.41 neg 0.94
8 neg 2.63 neg 0.71
9 neg 1.58 neg 0.94
20 neg 0.63 neg 1.10
21 neg 2.05 neg 1.14
22 neg 2.29 neg 1.36
23 neg 1.31 neg 0.86
24 neg 0.83 neg 1.70
25 neg 0.74 neg 1.51
26 neg 1.49 neg 1.02
27 neg 2.45 neg 2.64
28 neg 1.42 neg 1.02
29 neg 0.49 neg 0.40
30 neg 1.67 neg 0.97
31 neg 0.92 neg 1.05
32 neg 2.94 neg 2.56
33 neg 1.75 neg 1.04
34 neg 0.91 neg 0.60
35 neg 2.69 neg 1.19