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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.clim.2011.04.012
|2 doi
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|a pubmed24n0694.xml
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|a (DE-627)NLM208212485
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|a (NLM)21570358
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Falorni, Alberto
|e verfasserin
|4 aut
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|a Measuring adrenal autoantibody response
|b interlaboratory concordance in the first international serum exchange for the determination of 21-hydroxylase autoantibodies
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.10.2011
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|a Date Revised 25.11.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2011 Elsevier Inc. All rights reserved.
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|a 21-hydroxylase autoantibodies (21OHAb) are the gold standard immune marker to identify patients with clinical or subclinical autoimmune Addison's disease (AAD). No assessment of interlaboratory concordance has been made for 21OHAb measurement. Serum samples from 267 patients with primary adrenal insufficiency and from 83 healthy control subjects were distributed to four independent laboratories that determined presence and titer of 21OHAb, by using radiobinding assays with either in vitro translated 35S-radiolabelled or 125I-radiolabelled autoantigen. Cohen's κ of inter-rater agreement ranged from 0.857 to 0.983, showing a very good concordance of the positive/negative score among the four laboratories. Passing-Bablok regression showed a good agreement of 21OHAb titers arranged by ranks, but important discrepancies emerged at the Bland-Altman plot, as the repeatability coefficient was much higher than the laboratory cut-offs, which indicates that results from different laboratories cannot be used interchangeably. A standardization international program for 21OHAb measurement is strongly needed
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|a Comparative Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Autoantibodies
|2 NLM
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|a Biomarkers
|2 NLM
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|a Steroid 21-Hydroxylase
|2 NLM
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| 650 |
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|a EC 1.14.14.16
|2 NLM
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| 700 |
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|a Chen, Shu
|e verfasserin
|4 aut
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| 700 |
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|a Zanchetta, Renato
|e verfasserin
|4 aut
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|a Yu, Liping
|e verfasserin
|4 aut
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|a Tiberti, Claudio
|e verfasserin
|4 aut
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|a Bacosi, Maria Luisa
|e verfasserin
|4 aut
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| 700 |
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|a Furmaniak, Jadwiga
|e verfasserin
|4 aut
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| 700 |
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|a Bini, Vittorio
|e verfasserin
|4 aut
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| 700 |
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|a Dotta, Francesco
|e verfasserin
|4 aut
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| 700 |
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|a Eisenbarth, George S
|e verfasserin
|4 aut
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|a Smith, Bernard Rees
|e verfasserin
|4 aut
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| 700 |
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|a Betterle, Corrado
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 140(2011), 3 vom: 15. Sept., Seite 291-9
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|x 1521-7035
|7 nnns
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|g volume:140
|g year:2011
|g number:3
|g day:15
|g month:09
|g pages:291-9
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|u http://dx.doi.org/10.1016/j.clim.2011.04.012
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