A Test of the <scp>DSP</scp> Sexing Method on <scp>CT</scp> Images from a Modern French Sample

Mesteková, Šárka; Brůžek, Jaroslav; Velemínská, Jana; Chaumoître, Kathia

doi:10.1111/1556-4029.12817

Cited by 43 publications

(44 citation statements)

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“…Specifically, a majority of those measurements according to recommendations in new standards (39) are replaced with new ones, because of unacceptable measuring errors and unclear definitions of measurements (40). After the non-population specific method for probabilistic sex diagnosis on pelvic bones (41) has been developed and validated (42-44), providing minimum accuracy in original study of 98.7% and 100% in validation studies, there is no more need for developing novel discriminant function for pelvic bone.…”

Section: Discussionmentioning

confidence: 99%

Sex estimation standards for medieval and contemporary Croats

Bašić

Kružić²,

Jerković³

et al. 2017

Croat Med J

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AimTo develop discriminant functions for sex estimation on medieval Croatian population and test their application on contemporary Croatian population.MethodsFrom a total of 519 skeletons, we chose 84 adult excellently preserved skeletons free of antemortem and postmortem changes and took all standard measurements. Sex was estimated/determined using standard anthropological procedures and ancient DNA (amelogenin analysis) where pelvis was insufficiently preserved or where sex morphological indicators were not consistent. We explored which measurements showed sexual dimorphism and used them for developing univariate and multivariate discriminant functions for sex estimation. We included only those functions that reached accuracy rate ≥80%. We tested the applicability of developed functions on modern Croatian sample (n = 37).ResultsFrom 69 standard skeletal measurements used in this study, 56 of them showed statistically significant sexual dimorphism (74.7%). We developed five univariate discriminant functions with classification rate 80.6%-85.2% and seven multivariate discriminant functions with an accuracy rate of 81.8%-93.0%. When tested on the modern population functions showed classification rates 74.1%-100%, and ten of them reached aimed accuracy rate. Females showed higher classification rates in the medieval populations, whereas males were better classified in the modern populations.ConclusionDeveloped discriminant functions are sufficiently accurate for reliable sex estimation in both medieval Croatian population and modern Croatian samples and may be used in forensic settings. The methodological issues that emerged regarding the importance of considering external factors in development and application of discriminant functions for sex estimation should be further explored.

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Section: Discussionmentioning

confidence: 99%

Sex estimation standards for medieval and contemporary Croats

Bašić

Kružić²,

Jerković³

et al. 2017

Croat Med J

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“…The sex is allocated using the DSP program only if the posterior probability is equal to or greater than 0.95, but the individuals who fail to reach this value are classified as indeterminate. Other researchers have confirmed these results (Chapman et al 2014;Mestekova et al 2015;Krishan et al 2016) with accurate and reliable classifications in populations from regions that initially were not incorporated into the database of the method (S anchez-Mejorada et al 2011). The objectivity of this methodology lies in working with combinations of measures (always in a number higher than four), thus improving the study of fragmentary bone remains.…”

Section: Introductionmentioning

confidence: 74%

“…; Mestekova et al. ). This is a very important detail because in many of the above‐mentioned investigations the remains studied come from undocumented osteological collections in which sex determination has been performed using an inappropriate methodology.…”

Section: Introductionmentioning

confidence: 97%

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Geometric morphometrics reveals restrictions on the shape of the female os coxae

et al. 2016

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The methodology for sex determination in human skeletal remains depends on the different bone morphologies presented by men and women. Due to their direct implications in reproduction, the whole pelvis, particularly the os coxae, shows different characteristics in either sex. The sacrum and the os coxae constitute the birth canal. In this research study, the os coxae shape is analyzed using geometric morphometrics, providing information on morphology, regardless of size or any other factor beyond the geometry itself. A total of 46 adult ossa coxae from a Spanish archaeological collection were studied using geometric morphometrics. The results show that there is a restriction on the shape of female os coxae. In contrast, male os coxae presents a greater range of variation. The biological reason for this difference is the obstetrical dilemma; a concept defined as the anatomical conflict between bipedalism and the full-term birth of a neonate whose large head requires greater dimensions in the pelvic cavity. Our experimental data reinforce the validity of the obstetrical dilemma as source of the restriction on the shape of female ossa coxae. Additionally, according to the results obtained, size itself does not represent a condition for belonging to one sex or another.

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“…Tato metoda je vhodná pro zhodnocení kosterních pozůstatků ze slavkovské šibenice. Za prvé, metoda DSP má vysokou senzitivitu (99,63 % na původním souboru), na současné populaci Francouzů až 100 % (Chapman et al 2014;Mesteková et al 2015). Je vhodná i pro novověké populace (je uváděno, že je využitelná pro populace od počátku 18. století do současnosti.…”

Section: Odhad Věkuunclassified

Antropologické zhodnocení kosterních pozůstatků ze slavkovské šibenice u Křenovic

Čuta

Mořkovský

2017

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ABSTRAKT Při záchranném archeologickém výzkumu slavkovské šibenice byly objeveny lidské kosterní pozůstatky, kumulované v několika shlucích v neanatomickém uspořádání. Při laboratorním zpracování byly určeny základní demografické charakteristiky souboru. Vzhledem k charakteru nálezu nebylo možno identifikovat kompletní kostry jedinců. Minimální počet jedinců (s využitím pravých stehenních kostí) byl stanoven na 15. Tělesná výška byla odhadnuta s využitím metody organické korelace dle Sjøvolda. Nejvyšší jedinec měřil 173,0 cm (±4,52 cm), nejnižší jedinec měřil 157,5 cm (±4,52 cm). Kromě dospělých jedinců byly objeveny i pozůstatky dvou nedospělých jedinců (dožitý věk byl odhadnut na 16-17 let). Všichni dospělí jedinci příslušeli do věkových kategorií adultus a maturus, nejstarší z nich se dožil kolem 50 let. Mezi kosterními pozůstatky se nacházely ostatky jedné ženy. V souboru byly také nalezeny některé velmi zřídka se vyskytující anatomické variety (spina bifida anterior et posterior atlantis, os bregmaticum), doklady komplikovaného hojení traumatu i doklady nezhojených fraktur kostí dlouhého typu vzniklých perimortem. U dvou kostí byly též zaznamenány doklady zánětlivého onemocnění (pravděpodobně syfilis). KEY WORDS gallows; skeletal remains; trauma; anatomical varietiesABSTRACT During a development-led archaeological research of the Slavkov gallows non-anatomically positioned human remains were uncovered in several complex accumulations. The remains were analyzed in a laboratory and fundamental demographic characteristics of the sample were assessed. With regard to the character of the find complete individual skeletons were not identifiable. Minimum number of individuals (MNI, using right femora) was established at 15. Body height was estimated using the organic correlation method by Sjøvold. The tallest individual measured 173,0 cm (±4,52 cm), the shortest individual measured 157,5 cm (±4,52 cm). Besides adult individuals also skeletal remains of two adolescents were uncovered (their age at death was estimated at 16-17 years of age). All the adult individuals belonged to the adultus and maturus categories, the oldest one lived to be approximately 50 years old. Skeletal remains of one female were uncovered. Also, the skeletal remains sample yielded some very infrequent anatomical varieties (spina bifida anterior et posterior atlantis, os bregmaticum), evidence of complicated healing process of skeletal trauma as well as evidence of non-healed long bone fractures which originated perimortem. In two cases of long bones evidence of inflammatory disease (likely syphillis) was observed.

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A Test of the DSP Sexing Method on CT Images from a Modern French Sample

Cited by 43 publications

References 27 publications

Sex estimation standards for medieval and contemporary Croats

Sex estimation standards for medieval and contemporary Croats

Geometric morphometrics reveals restrictions on the shape of the female os coxae

Antropologické zhodnocení kosterních pozůstatků ze slavkovské šibenice u Křenovic

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