Positivity ratio and reaction index: Patch-test quality-control metrics applied to the North American Contact Dermatitis Group database

Dermatitis

Volumn 21, Issue 2, 2010, Pages 91-97

  Warshaw, Erin M ^a   Nelsen, David D ^a   Sasseville, Denis ^a   Belsito, Donald V ^a   Maibach, Howard I ^a   Zug, Kathryn A ^a   Fowler Jr , Joseph F ^a   Taylor, James S ^a   DeLeo, Vincent A ^a   Marks Jr , James G ^a   Storrs, Frances J ^a   Mathias, C G Toby ^a   Pratt, Melanie D ^a   Rietschel, Robert L ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

2 BROMO 2 BROMOMETHYLGLUTARONITRILE; 2 PHENOXYETHANOL; ALLERGEN; BACITRACIN; BENZALKONIUM CHLORIDE; CARBAMIC ACID; COCAMIDOPROPYL BETAINE; EPOXY RESIN; ETHYLENEDIAMINE DERIVATIVE; ETHYLENEDIAMINE DIHYDROCHLORIDE; IRRITANT AGENT; MERCAPTOBENZOTHIAZOLE; NICKEL SULFATE; PETROLATUM; ROSIN; SESQUITERPENE LACTONE; THIOMERSAL; THIOUREA; UNCLASSIFIED DRUG;

ARTICLE; CALCULATION; CONTACT DERMATITIS; EVALUATION; HUMAN; JASMINE; MAJOR CLINICAL STUDY; NONHUMAN; NORTH AMERICA; PATCH TEST; PET ANIMAL; PRIORITY JOURNAL; QUALITY CONTROL; STANDARD;

ALLERGENS; BACITRACIN; BENZOTHIAZOLES; DERMATITIS, CONTACT; EPOXY RESINS; ETHYLENEDIAMINES; HUMANS; HYDROCORTISONE; LACTONES; NICKEL; PATCH TESTS; QUALITY CONTROL; SESQUITERPENES; THIMEROSAL; THIOUREA;

EID: 77949592500     PISSN: 17103568     EISSN: None     Source Type: Journal    
DOI: 10.2310/6620.2010.09092     Document Type: Article

References (22)

1. Geier J, Uter W, Lessmann H, Schnuch A. The positivity ratio - another parameter to assess the diagnostic quality of a patch test preparation. Contact Dermatitis 2003;48:280-2.
2. Brasch J, Henseler T. The reaction index: a parameter to assess the quality of patch test preparations. Contact Dermatitis 1992;37:203-4.
3. Brasch J, Geier J, Henseler T. Evaluation of patch test results by use of the reaction index. An analysis of data recorded by the Information Network of Departments of Dermatology (IVDK). Contact Dermatitis 1995;33:375-80.
4. Andersen KE, Andersen F. The reaction index and positivity ratio revisited. Contact Dermatitis 2008;58:28-31.
5. Marks JG, Belsito DV, DeLeo VA, et al. North American Contact Dermatitis Group standard tray patch test results (1992-1994). Am J Contact Dermat 1995;6:160-5.
6. Marks JG, Belsito DV, DeLeo VA, et al. North American Contact Dermatitis Group patch test results for the detection of delayed hypersensitivity to topical allergens. J Am Acad Dermatol 1998;38:911-8.
7. Marks JG, Belsito DV, DeLeo VA, et al. North American Contact Dermatitis Group patch test results: 1998-2000 data. Am J Contact Dermat 2003;14:59-62.
8. Pratt MD, Belsito DV, DeLeo VA, et al. North American Contact Dermatitis Group patch-test results, 2001-2002 study period. Dermatitis 2004;15:176-83.
9. Warshaw EM, Belsito DV, DeLeo VA, et al. North American Contact Dermatitis Group patch test results 2003-2004 study period. Dermatitis 2008;19:129-36.
10. Zug KA, Warshaw EM, Belsito DV, et al. North American Contact Dermatitis Group 2005-2006 patch test results. Dermatitis 2009;20:149-60.
11. Devos SA, Constandt L, Tupker RA, et al. Relevance of positive patch-test reactions to fragrance mix. Dermatitis 2008;19:43-7.
12. Schnuch A, Lessmann H, Geier J, et al. Contact allergy to fragrances: frequencies of sensitization from 1996 to 2002. Results of the IVDK. Contact Dermatitis 2004;50:65-76.
13. Frosch PJ, Pilz B, Andersen KE, et al. Patch testing with fragrances: results of a multicenter study of the European Environmental and Contact Dermatitis Research Group with 48 frequently used constituents of perfumes. Contact Dermatitis 1995;33:333-42.
14. Storrs FJ. Fragrance. Dermatitis 2007;18:3-7.
15. Mitchell JC. Day 7 (D7) patch test reading: valuable or not? Contact Dermatitis 1978;4:139-41.
16. Bandmann HJ, Agathos M. New results and some remarks to the "angry back syndrome." Contact Dermatitis 1981;7:23-6.
17. Todd DJ, Handley J, Metwali M, et al. Day 4 is better than day 3 for single patch test reading. Contact Dermatitis 1996;34:402-4.
18. Sherertz EF, Fransway AF, Belsito DV, et al. Patch testing discordance alert: false-negative findings with rubber additives and fragrances. J Am Acad Dermatol 2001;45:313-4.
19. Brasch J, Geier J. How to use the reaction index and positivity ratio. Contact Dermatitis 2008;59:63-5.
20. Andersen KE, Andersen F. Validity of reaction index and positivity ratio. Contact Dermatitis 2008;58:320.
21. Maouad M, Fleischer AB Jr, Sherertz EF, Feldman SR. Significance- prevalence index number: a reinterpretation and enhancement of data from the North American Contact Dermatitis Group. J Am Acad Dermatol 1999;41:573-6.
22. Wolf R, Davidovici B, Stone SP, Tuzun Y. In pursuit of defining clinical relevance of positive patch tests results. Clin Dermatol 2007;25:493-4.