Corrections and Clarifications


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Science  21 May 1982:
Vol. 216, Issue 4548, pp. 800
DOI: 10.1126/science.216.4548.800-e


In the report "Intrathecal interferon reduces exacerbations of multiple sclerosis" by L. Jacobs et al. (27 Nov., p. 1026), the authors identified the following transpositional errors in Table 1: Recipient 4, sex, M (not F); Recipient 7, duration of disease (years) before study 3.0 (not 2.5), Exacerbation rate before study 1.3 (not 1.6), Expected exacerbations on study 1.9 (not 2.1); Recipient 8, Exacerbations before study 6 (not 5); Control 3, Exacerbations before study 4 (not 3); Control 4, Exacerbations before study 4 (not 3). All the calculations appearing in the table were based on the correct numbers. The errors occurred in transferring the data from paper record to computer; they cause minor discrepancies when the calculations are reperformed from the data initially presented in the table but do not influence the results in any way.