Table 5.
The positive patch test responses according to the inciting allergen and age group (0–10, 11–8 years)
| Substance | 0–10 (N = 22) | Percent | 11–18 (N = 87) | Percent | P-Value |
|---|---|---|---|---|---|
| Nickel sulfate | 3 | 13.6 | 18 | 20.7 | 0.55 |
| Cobalt chloride | 4 | 18.2 | 7 | 8.0 | 0.22 |
| Methylisothiazolinone | 2 | 9.1 | 5 | 5.7 | 0.62 |
| Colophony | 1 | 4.5 | 5 | 5.7 | 1.0 |
| Potassium dichromate | 0 | 0.0 | 5 | 5.7 | 0.58 |
| Paraben mix | 2 | 9.1 | 2 | 2.3 | 0.17 |
| 4-tert-butylphenon | 0 | 0.0 | 4 | 4.6 | 0.58 |
| Fragrance mix | 1 | 4.5 | 3 | 3.4 | 1.0 |
| Thiuram mix | 0 | 0.0 | 3 | 3.4 | 1.0 |
| Mercapto mix | 0 | 0.0 | 3 | 3.4 | 1.0 |
| Phenylendiamine base | 0 | 0.0 | 2 | 2.3 | 1.0 |
| Formaldehyde | 0 | 0.0 | 2 | 2.3 | 1.0 |
| N-isopropyl-N-phenyl-4-phenylenediamine | 0 | 0.0 | 2 | 2.3 | 1.0 |
| Wool Alcohol | 0 | 0.0 | 2 | 2.3 | 1.0 |
| Sesquiterpene lactone mix | 0 | 0.0 | 2 | 2.3 | 1.0 |
| Benzocaine | 0 | 0.0 | 2 | 2.3 | 1.0 |
| Cliquinol | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Balsam of peru | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Epoxy resin | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Quaterium-18 | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Mercaptobenzothiazole | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Neomycin sulphate | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Hydroxyl-methyl-penthyl-cyclo-carboxaldehyde | 0 | 0.0 | 1 | 1.1 | 1.0 |
| Primin | 0 | 0.0 | 0 | 0.0 | NA |