Currently there are many ways to identify the sex of a human being using their bone structure. The most common bone structure used to identify the sex of a person is the skull and the pelvic bones. There are several factors affecting the forensic report such as slaughtering or burning of the body which destroys the original bone structure.
Patella is chosen in this study to identify human sexes because it is the biggest sesamoid bone in the human body.
A hundred pairs of cadaver’s patellae aging between 25-60 years old (male = 65, female = 35) were collected from the Forensic Medicine Police General Hospital, Royal Thai Police and measured 8 points. According to discriminant analysis using the SPSS program. Patella was difference between male and female in all variables (P-value = 0.000). The most variable was maximum width in left (MAXWD) and height of lateral articular facet in left and right (HDLA) which has accuracy more than 90%. It has been proved that Patella can effectively be used to identify the sex of a person.