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Table 2 Factors associated with a positive result for the top five allergens/irritants identified by any series (adjusted analysis, showing significant results only)

From: A seven-year retrospective analysis of patch test data in a cohort of patients with contact dermatitis in Sri Lanka

Substance

Variable

P value

Exp(B) with 95% CI

Nickel sulfate

–

–

–

PPDb

Agea

0.015

1.03 (1.01–1.05)

 

Year of testinga

0.011

0.79 (0.66–0.95)

MBTb + Mercapto mix

Year of testinga

0.001

0.69 (0.56–0.87)

Potassium dichromate

Males (vs. females)

0.018

2.53 (1.17–5.49)

Thiuram mix

–

–

–

  1. aper each increment of an year, bPPD- p-phenylenediamine (PPD), MBT −2-mercaptobenzothiazole
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BMC Dermatology

ISSN: 1471-5945

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