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In the September 2008 research article by Fisniku et al, “Gray Matter Atrophy Is Related to Long-Term Disability in Multiple Sclerosis” (Annals of Neurology 2008;64:247–254), please note the following corrections:

The author affiliations for Daniel R. Altmann, Katherine A. Miszkiel, and Alan J. Thompson are corrected as follows:

  • Daniel R. Altmann, PhD,1

  • Katherine A. Miszkiel, MRCP,2

  • Alan J. Thompson, MD3

From the 1Medical Statistical Unit, London School of Hygiene and Tropical Medicine; 2Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, University College London; and 3Department of Brain Repair and Rehabilitation, Institute of Neurology, University College London, London, United Kingdom

In Table 1, GMF (SD) for nonbenign MS should be changed from 0.30 to 0.03.

In Table 3, Z-PEG should be changed to 9HPT (9-hole peg test), Z-WALK should be changed to Time-Walked, and Z-PASAT should be changed to PASAT (Paced Auditory Serial Addition Test).

In Appendix Table 3, the p value for NWMV under PASAT (Paced Auditory Serial Addition Test) should be changed from 0.75 to 0.175.