Cancer in Alcoholics (Corrected Table)

To the Editor.—  Dr. Bernard H. Fox from the National Cancer Institute, in a personal communication, brought to our attention some discrepancies in Table 1 of our recent article "Head and Neck Cancer in Alcoholics: The Relationship of Drinking, Smoking and Dietary Patterns" (224:1174, 1973). Upon careful investigation of the data, we realized that some changes are in order.The two matched control groups were formed by random computer selection of noncases. Unfortunately, some of the same individuals were included in both control groups, making comparisons with the second group inappropriate. In addition, one control subject had reported an unusually high alcohol intake pattern. The data from Table 1 were recomputed as shown in the revised Table, excluding the aberrant measurements of that subject from the first control group and including a new and different second control group. The differences in intake patterns were reevaluated, using a number of statistical