MRC sum-score in the ICU: Good reliability does not necessarily reflect “true reliability”
Els Karla Vanhoutte MD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Search for more papers by this authorCatharina Gerritdina Faber MD, PhD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Search for more papers by this authorIngemar Sergio José Merkies MD, PhD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Department of Neurology, Spaarne Hospital, Hoofddorp, The Netherlands
Search for more papers by this authorOn behalf of the PeriNomS Study Group
The members of PeriNomS Study Group are as follows: A.A. Barreira, Brazil; D. Bennett, UK; P.Y.K. van den Bergh, Belgium; V. Bril, Canada; G. Devigili, Italy; R.D. Hadden, UK; A.F. Hahn, Canada; H.-P. Hartung, Germany; R.A.C. Hughes, UK; I. Illa, Spain; H. Katzberg, Canada; A.J. van der Kooi, The Netherlands; J.-M. Léger, France; R.A. Lewis, USA; M.P.T. Lunn, UK; E. Nobile-Orazio, Italy; L. Padua, Italy; J. Pouget, France; M.M. Reilly, UK, I. van Schaik, The Netherlands; M. de Visser, The Netherlands. Els K. Vanhoutte: received honorarium from a Baxter PNS Fellowship for 1 year (2009–2010). Catharina G. Faber: received funding for research from the “Prinses Beatrix Fonds' and from the ‘Profileringsfonds’ MUMC”. Ingemar. S.J. Merkies: received funding for research from the Talecris Talents program, theGSBCIDP Foundation International. Furthermore, he received honoraria for participation in steeringcommittees of the Talecris ICE Study,CSLBehring, and Octapharma.
Search for more papers by this authorEls Karla Vanhoutte MD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Search for more papers by this authorCatharina Gerritdina Faber MD, PhD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Search for more papers by this authorIngemar Sergio José Merkies MD, PhD
Department of Neurology, Maastricht University Medical Centre, Maastricht, The Netherlands
Department of Neurology, Spaarne Hospital, Hoofddorp, The Netherlands
Search for more papers by this authorOn behalf of the PeriNomS Study Group
The members of PeriNomS Study Group are as follows: A.A. Barreira, Brazil; D. Bennett, UK; P.Y.K. van den Bergh, Belgium; V. Bril, Canada; G. Devigili, Italy; R.D. Hadden, UK; A.F. Hahn, Canada; H.-P. Hartung, Germany; R.A.C. Hughes, UK; I. Illa, Spain; H. Katzberg, Canada; A.J. van der Kooi, The Netherlands; J.-M. Léger, France; R.A. Lewis, USA; M.P.T. Lunn, UK; E. Nobile-Orazio, Italy; L. Padua, Italy; J. Pouget, France; M.M. Reilly, UK, I. van Schaik, The Netherlands; M. de Visser, The Netherlands. Els K. Vanhoutte: received honorarium from a Baxter PNS Fellowship for 1 year (2009–2010). Catharina G. Faber: received funding for research from the “Prinses Beatrix Fonds' and from the ‘Profileringsfonds’ MUMC”. Ingemar. S.J. Merkies: received funding for research from the Talecris Talents program, theGSBCIDP Foundation International. Furthermore, he received honoraria for participation in steeringcommittees of the Talecris ICE Study,CSLBehring, and Octapharma.
Search for more papers by this author
References
- 1 Hermans G, Clerckx B, Vanhullebusch T, Segers J, Vanpee G, Robbeets C, et al. Interobserver agreement of medical research council sum-score and handgrip strength in the intensive care unit. Muscle Nerve 2012; 45: 18–25.
- 2 Dyck PJ, Boes CJ, Mulder D, Millikan C, Windebank AJ, Dyck PJ, et al. History of standard scoring, notation, and summation of neuromuscular signs. A current survey and recommendation. J Peripher Nerv Syst 2005; 10: 158–173.
- 3 DeVellis RF. Classical test theory. Med Care 2006; 44: S50–S59.
- 4 Svensson E. Guidelines to statistical evaluation of data from rating scales and questionnaires. J Rehabil Med 2001; 33: 47–48.
- 5 Vanhoutte EK, Faber CG, van Nes SI, Jacobs BC, van Doorn PA, van Koningsveld R, et al. Modifying the Medical Research Council grading system through Rasch analyses. Brain 2011; in press.
- 6 Tennant A, Conaghan PG. The Rasch measurement model in rheumatology: what is it and why use it? When should it be applied, and what should one look for in a Rasch paper? Arthritis Rheum 2007; 57: 1358–1362.
- 7 Latronico N, Bolton CF. Critical illness polyneuropathy and myopathy: a major cause of muscle weakness and paralysis. Lancet Neurol 2011; 10: 931–941.
Citing Literature
