Gender characterization of Nasofacial Relationship of Ibos of Imo State using discriminant function analysis
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 6
Abstract
Nasofacial anthropometry focuses on the facial and nasal indices which is paramount in sex determination and in racial morphological classification and categorization. Hence the aim of this study is to determine gender differences in the nasofacial parameters of Ibos of Imo state. A cross-sectional study was carried out with 280 subjects (145 males and 135 females) between the ages of 18-45 years. All photographic records were analyzed using various soft tissue landmarks. The mean values for nasolabial angle, nasofacial angle and nasion-subnasale length for males are 83.38±14.46, 30.41±3.30 and 59.08±6.04 respectively while the mean values for females are 82.79±13.73, 29.4±3.71 and 55.6±6.66 respectively. The mean values for nasofrontal, nasomental and nasal tip angles for females are 137.52±7.04, 133.53±5.16 and 112.06±8.88 respectively while males had 130.64±8.93, 131.33±4.45 and 110.32±9.31 respectively. There was significant sexual dimorphism (p < 0.05) in all parameters but for nasolabial angle. Discriminant function analysis also shows a strong prediction of sexual dimorphism in the nasofrontal angles. Some earlier studies have documented anthropometric findings on Ibos. These findings and ours are not at variance but quite complementary. The findings in this study shows that the nasofrontal, nasofacial, nasomental, nasal tip angles as well as the nasion-subnasale length can be used to determine the sex of an indigene of Imo state. Our findings would be very useful in facial reconstructive surgeries and also, forensic medicine and anthropology would benefit a great deal.
Authors and Affiliations
Loveday Ese Oghenemavwe, Clinton David Orupabo, Popnen Augustina
Keywords
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- EP ID EP375824
- DOI 10.9790/0853-1706037174.
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