RT Journal A1 Bass M T1 EPidemiology of sudden death syndrome JF JAMA JO JAMA YR 1979 FD October 26 VO 242 IS 17 SP 1847 OP 1847 DO 10.1001/jama.1979.03300170013004 UL http://dx.doi.org/10.1001/jama.1979.03300170013004 AB To the Editor.—  Standfast et al (241:1121, 1979) make one assumption concerning their study on sudden infant death with which I do not agree. They assume that the primary diagnosis of sudden infant death syndrome (SIDS), as stated in the death certificate, represented the last word before they embarked on an epidemiologic investigation of SIDS. The authors equate the term "SIDS" on a death certificate with the phrase "no disease detected by both clinician and pathologist." It may be true that all infants died of SIDS in the upstate New York study, but one must be cautious when applying statistical methods to a weak diagnosis.The fundamental question in an epidemiologic study on SIDS concerns how data are obtained and to what rigors they are subjected. Since the diagnosis of SIDS is based on exclusion of other disorders, a review of all available data in each infant death, by a panel