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dc.contributor.authorSaastad, Elien_US
dc.contributor.authorFrøen, Jahn Frederiken_US
dc.date.accessioned2011-07-05T11:37:17Z
dc.date.available2011-07-05T11:37:17Z
dc.date.issued2009en_US
dc.identifier.citationBMC Pregnancy and Childbirth. 2009, 9(24)en_US
dc.identifier.issn1471-2393en_US
dc.identifier.urihttps://hdl.handle.net/10642/828
dc.description.abstractBackground: Audit and classification of stillbirths is an essential part of clinical practice and a crucial step towards stillbirth prevention. Due to the limitations of the ICD system and lack of an international approach to an acceptable solution, numerous disparate classification systems have emerged. We assessed the performance of six contemporary systems to inform the development of an internationally accepted approach. Methods: We evaluated the following systems: Amended Aberdeen, Extended Wigglesworth; PSANZ-PDC, ReCoDe, Tulip and CODAC. Nine teams from 7 countries applied the classification systems to cohorts of stillbirths from their regions using 857 stillbirth cases. The main outcome measures were: the ability to retain the important information about the death using the InfoKeep rating; the ease of use according to the Ease rating (both measures used a five-point scale with a score <2 considered unsatisfactory); inter-observer agreement and the proportion of unexplained stillbirths. A randomly selected subset of 100 stillbirths was used to assess inter-observer agreement Results: InfoKeep scores were significantly different across the classifications (p ? 0.01) due to low scores for Wigglesworth and Aberdeen. CODAC received the highest mean (SD) score of 3.40 (0.73) followed by PSANZ-PDC, ReCoDe and Tulip [2.77 (1.00), 2.36 (1.21), 1.92 (1.24) respectively]. Wigglesworth and Aberdeen resulted in a high proportion of unexplained stillbirths and CODAC and Tulip the lowest. While Ease scores were different (p ? 0.01), all systems received satisfactory scores; CODAC received the highest score. Aberdeen and Wigglesworth showed poor agreement with kappas of 0.35 and 0.25 respectively. Tulip performed best with a kappa of 0.74. The remainder had good to fair agreement. Conclusion: The Extended Wigglesworth and Amended Aberdeen systems cannot be recommended for classification of stillbirths. Overall, CODAC performed best with PSANZ-PDC and ReCoDe performing well. Tulip was shown to have the best agreement and a low proportion of unexplained stillbirths. The virtues of these systems need to be considered in the development of an international solution to classification of stillbirths. Further studies are required on the performance of classification systems in the context of developing countries. Suboptimal agreement highlights the importance of instituting measures to ensure consistency for any classification systemen_US
dc.language.isoengen_US
dc.publisherBioMed Centralen_US
dc.relation.ispartofBMC Pregnancy and Childbirthen_US
dc.subjectDødfødsleren_US
dc.subjectForebyggingen_US
dc.subjectKlinisk praksisen_US
dc.subjectStillbirthen_US
dc.subjectPreventionen_US
dc.subjectClassification systemsen_US
dc.subjectVDP::Medical disciplines: 700::Clinical medical disciplines: 750en_US
dc.titleAn evaluation of classification systems for stillbirthen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.identifier.doihttp://idtjeneste.nb.no/URN:NBN:no-bibsys_brage_9784


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