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To the Editor:—
During the past year we have used an IBM method in the department of radiology and have been most gratified with the results. The method permits the collection of accurate and detailed statistical data with a minimum of personnel, as described by Gould and Morgan (Am. J. Roentgenol.74:98-115 [July] 1955).Statistical data are recorded numerically on the IBM card. A diagnostic code number is supplied by the radiologist during film interpretation. The code used is the "Index for Roentgen Diagnosis" published by the Commission on Education of the American College of Radiology. This diagnostic code possesses basic simplicity with a high degree of specificity and has ample room for expansion.At monthly intervals, the IBM cards are sorted and tabulated to furnish a statistical report. At quarterly intervals, the IBM cards are processed in a numerical sequence according to the diagnostic code. The result is
Jacobson HG, Shapiro JH. COMPILATION OF STATISTICAL DATA. JAMA. 1958;166(1):82. doi:10.1001/jama.1958.02990010084022
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