Interobserver Agreement in the Diagnosis of Multiple Sclerosis

Alessandra Solari, Graziella Filippini, Luigi Gagliardi, Luciana Bevilacqua, Aldo Amantini, Giorgio Giuliani, Corrado Messina, Giorgio Rossi, Giovanni Savettieri, Giovanni Tredici, Pier Giorgio Duca

Research output: Contribution to journalArticle

Abstract

Interobserver agreement in the clinical diagnosis of multiple sclerosis (MS) among six neurologists was evaluated. Three of them participated in a study of the clinical diagnosis of MS, the Italian Multicenter Study (IMS). The raters examined the clinical forms of MS of 50 patients randomly selected from among 430 patients recruited from the IMS. For each patient, neurologists were asked to make a diagnosis according to the McDonald-Halliday classification system of MS. The overall agreement on the diagnosis (MS present or absent) was fair, with no difference noted between the two groups of raters. Considering the six diagnostic levels instead, the reliability was higher for the neurologists participating in the IMS program. These neurologists agreed particularly on the Clinically Definite and Progressive Possible classifications. Complete disagreement was observed for the Early Probable or Latent and Progressive Probable classifications. Because of the different level of agreement on diagnosis, we suggest separate consideration of Clinically Definite and Progressive Probable MS cases in clinical trials and epidemiologic studies of this disease.

Original languageEnglish
Pages (from-to)289-292
Number of pages4
JournalArchives of Neurology
Volume46
Issue number3
DOIs
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Clinical Neurology
  • Neuroscience(all)

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    Solari, A., Filippini, G., Gagliardi, L., Bevilacqua, L., Amantini, A., Giuliani, G., Messina, C., Rossi, G., Savettieri, G., Tredici, G., & Duca, P. G. (1989). Interobserver Agreement in the Diagnosis of Multiple Sclerosis. Archives of Neurology, 46(3), 289-292. https://doi.org/10.1001/archneur.1989.00520390055016