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      Stature Estimation of a Thai Population Using the Scapula Translated title: Estimación de la Estatura de una Población Tailandesa Utilizando la Escápula

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          Abstract

          SUMMARY: Stature is an important component of biological profiles for forensic identification. In forensic situations, non- long bones might be needed for estimating stature if long bones are absent or fragmented. This study aimed to develop multiple regression model equations for stature estimation using scapula lengths in a Thai population. The sample included 200 dry scapula (100 male and 100 female) from the Osteology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai. Seven measurements were taken from the scapula for stature estimation. The results revealed that the maximum breadth of the scapula (MBS) provided the most accurate stature prediction model for the correlation coefficient and standard error of estimation (SEE) for males (r = 0.65, SEE = 5.96 cm), females (r = 0.60, SEE = 5.32 cm), and combined sexes (r = 0.79, SEE = 5.82 cm). The best multiple regression models were as follows: male stature (cm) = 75.57 + 6.42 MBS + 0.30 x the length of the glenoid fossa - superior angle (LGS), with a SEE of 5.67, female stature (cm) = 71.65 + 0.24 x the maximum height of the scapula (MHS) + 8.16 MBS - 1.02 x the maximum breadth of the glenoid fossa (MBG), with a SEE of 4.96 cm, combined sex stature (cm) = 52.61 + 0.25 MHS + 5.34 MBS + 0.25 LGS, with a SEE of 5.25 cm. This result indicates that the scapula is important in estimating the stature of skeletal remains in forensic cases, especially in a Thai population when long bones are unavailable for stature estimation.

          Translated abstract

          RESUMEN: La estatura es un componente importante de los perfiles biológicos para la identificación forense. En situaciones forenses, es posible que se necesiten huesos no largos para estimar la estatura si los huesos largos están ausentes o fragmentados. Este estudio tuvo como objetivo desarrollar ecuaciones de modelos de regresión múltiple para la estimación de la estatura utilizando longitudes de escápula en una población tailandesa. La muestra incluyó 200 escápulas secas (100 de hombres y 100 de mujeres) del Centro de Investigación y Capacitación en Osteología, Facultad de Medicina, Universidad de Chiang Mai, Chiang Mai. Se tomaron siete medidas de la escápula para la estimación de la estatura. Los resultados revelaron que la anchura máxima de la escápula (MBS) proporcionó el modelo de predicción de estatura más preciso para el coeficiente de correlación y el error estándar de estimación (SEE) para hombres (r = 0,65, SEE = 5,96 cm), mujeres (r = 0,60, SEE = 5,32 cm) y sexos combinados (r = 0,79, SEE = 5,82 cm). Los mejores modelos de regresión múltiple fueron los siguientes: Estatura en hombres (cm) = 75,57 + 6,42 MBS + 0,30 x longitud de la fosa glenoidea - ángulo superior (LGS), con un SEE de 5,67, estatura en mujeres (cm) = 71,65 + 0,24 x altura máxima de la escápula (MHS) + 8,16 MBS - 1,02 x ancho máximo de la fosa glenoidea (MBG), con un SEE de 4,96 cm, estatura combinada de ambos sexos (cm) = 52,61 + 0,25 MHS + 5,34 MBS + 0,25 LGS, con un SEE de 5,25 cm. Este resultado indica que la escápula es importante para estimar la estatura de los restos óseos en casos forenses, especialmente en una población tailandesa en la que no se dispone de huesos largos para la estimación de la estatura.

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          Most cited references22

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          Adult height, nutrition, and population health.

          In this review, the potential causes and consequences of adult height, a measure of cumulative net nutrition, in modern populations are summarized. The mechanisms linking adult height and health are examined, with a focus on the role of potential confounders. Evidence across studies indicates that short adult height (reflecting growth retardation) in low- and middle-income countries is driven by environmental conditions, especially net nutrition during early years. Some of the associations of height with health and social outcomes potentially reflect the association between these environmental factors and such outcomes. These conditions are manifested in the substantial differences in adult height that exist between and within countries and over time. This review suggests that adult height is a useful marker of variation in cumulative net nutrition, biological deprivation, and standard of living between and within populations and should be routinely measured. Linkages between adult height and health, within and across generations, suggest that adult height may be a potential tool for monitoring health conditions and that programs focused on offspring outcomes may consider maternal height as a potentially important influence.
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            Stature estimation from long bone lengths in a Thai population.

            The estimation of stature is a very important step in developing a biological profile for forensic identification. However, little previous work has been done on stature estimation among modern Thai people, despite a growing number of forensic cases in Thailand in recent years. The current study was carried out on a sample of 200 skeletons from a northern Thai population (132 males and 68 females), ranging in age from 19 to 94 years. The maximum lengths of six long bones (humerus, radius, ulna, femur, tibia and fibula) were measured and stature reconstruction formulae generated using linear regression. These equations were then tested on a holdout sample of 15 females and 15 males. Results reveal that the three lower limb bones are the most accurate estimators of stature among the males, with the fibula equation producing the lowest standard error of the estimate (SE=4.89cm), followed by the femur (SE=5.06cm). Results for females were mixed. The femur produced the lowest standard error among the females (SE=5.21cm), followed by the radius (SE=5.63cm). However, when tested against the holdout sample (n=30), the femur equations were considerably more accurate, with a mean absolute error of 3.5cm and a median absolute error of 2.4cm. Females exhibited a higher standard error of the estimate than reported in many previous studies. This higher error may be the result of a recent secular trend in stature affecting the females of our sample somewhat more than the males.
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              Sexual dimorphism of the scapula and the clavicle in a contemporary Greek population: Applications in forensic identification

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                Author and article information

                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                December 2024
                : 42
                : 6
                : 1646-1652
                Affiliations
                [1] Phayao orgnameUniversity of Phayao orgdiv1School of Medical Sciences orgdiv2Department of Anatomy Thailand
                [2] Phayao orgnameUniversity of Phayao orgdiv1School of Science Thailand
                [3] Chiang Mai Chiang Mai orgnameChiang Mai University orgdiv1Faculty of Medicine orgdiv2Department of Anatomy Thailand
                [4] Chiang Mai Chiang Mai orgnameChiang Mai University orgdiv1Faculty of Medicine orgdiv2Excellence Center in Osteology Research and Training Center Thailand
                Article
                S0717-95022024000601646 S0717-9502(24)04200601646
                0097c573-84a5-4445-942a-8827dc259d36

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 06 June 2024
                : 07 August 2024
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 22, Pages: 7
                Product

                SciELO Chile

                Categories
                ARTICLES

                Thai population,Antropología forense,Población tailandesa,Escápula,Estimación de la estatura,Forensic anthropology,Scapula,Stature estimation

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