Published on June 2020 | Medical science

Study on Axial tri-radius and ‘Atd’ angle of Palmar Dermatoglyphics among Bangladeshi Down Syndrome People

Background: Dermatoglyphics is the scientific study of the epidermal ridges and their configuration on the volar aspect of the palmar and the plantar region. There are variations of Axial tri-radius and angular tri radius (‘Atd’) angle among the Down syndrome people in comparison with the normal subjects. This study was designed to observe the changes of dermatoglyphics among the Down syndrome people and to compare it with the normal subjects. Methods: This cross sectional observational analytical study was conducted in the Department of Anatomy, Chittagong Medical College (CMC), Chattogram from January 2018 to January 2019. A total of 200 participants were included where 100 Down syndrome people were collected from different organization of Down syndrome society in Bangladesh. 100 MBBS and dental students of Chittagong Medical College both male and female were selected as control. Dermatoglyphics print was taken by the Ink & Paper method described by Cummins and Midlo. Detailed dermatoglyphic analysis was done by using magnifying glass, calculator, protractor and scale. After collection data was analysed for statistical significance by Chi-square test and unpaired t-test wherever applicable, by using a computer-based program SPSS 23 and MS Excel. The p-value was considered significant if it is