Quintal Index : Another Criterion for Brachydactyly V
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概要
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For the quantitative analysis on the normal variation of brachydactyly V, the quintal index was calculated in terms of the value of total phalangeal length V divided by that of digit III. Measurements were made on the radiograms of Japanese subjects, 249 males and 271 females, 4 to 89 years of age. Quintal index represented a more marked correlation to the little finger length than to the middle finger length in both sexes, and the correlation to the brachymesophalangeal index was most remarkable. That is, the shortness of the little finger depended on the variable small size of its middle phalanx. In the mean values of the quintal index, the side differences were negligible in both sexes, while the sex differences were statistically highly significant in all age groups, the values in males being constantly larger than in females.
- 1987-12-31
著者
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