Estimation of age from the pubic symphysis by means of multiple regression analysis

Hanihara, Kazurō; Suzuki, Takao

doi:10.1002/ajpa.1330480218

Cited by 61 publications

(48 citation statements)

References 9 publications

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“…With Japanese skeletal material, Hanihara (1952) and Hanihara and Suzuki (1978) have studied the pubic symphyseal face in relation to age in males. However, their sample sizes were small (135 and 70 individuals, respectively), and since they used a revised Todd's system as the standard of evaluation, their results cannot be compared with those of other studies based on the original Todd or the Suchey-Brooks systems.…”

Section: Introductionmentioning

confidence: 99%

Application of the Suchey-Brooks system of pubic age estimation to recent Japanese skeletal material

Sakaue

2006

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The Suchey-Brooks system, based on a collection of pubic bones from autopsied individuals in the United States with known ages at death, has gained wide acceptance as a method of estimating age from the morphology of the pubic symphyseal region. While some studies have suggested the influence of population variation on age estimations, there has so far been no study that applied the Suchey-Brooks system to Japanese skeletal materials. In this study, I evaluated the morphology of the pubic symphyseal region in a relatively large sample of recent Japanese skeletal material (n = 416) and derived mean ages and standard deviations for each of the six Suchey-Brooks phases. Results suggested that age estimation by this method is comparatively reliable in individuals up to 40 years of age but less reliable at higher ages. In all six pubic bone phases, differences between the mean ages of the Japanese and the Suchey-Brooks series were less than three years, demonstrating the applicability of the system to the recent Japanese.

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Section: Introductionmentioning

confidence: 99%

Application of the Suchey-Brooks system of pubic age estimation to recent Japanese skeletal material

Sakaue

2006

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“…When methods based on, for example, the pubic symphysis [51][52][53][54][55][56] and auricular surface [57][58][59][60][61] are considered, it is clear that their mean errors are also high. It seems that age estimation in adults still remains challenging, and that the Lamendin and modified Lamendin techniques are probably on par with other methods used in adult age estimation.…”

Section: Discussionmentioning

confidence: 99%

A test of the Lamendin method of age estimation in South African canines

Ackermann

Steyn

2014

Forensic Science International

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Age estimation in unknown adult skeletons remains a considerable problem in forensic anthropology. In 1992, Lamendin and colleagues published a non-destructive method of age estimation on single rooted teeth. With this method, periodontosis and root transparency are judged against root height, and these are then used in regression formulae to estimate age.The aim of this study was to test the accuracy of the Lamendin method on a large sample of canines of South Africans, and if necessary to adapt the formulae for this population. A sample of known sex, age and population group was used. This included 537 upper and lower canines from 498 skulls, and included black males, black females, white males and white females. The age of the individuals ranged from 20 to 90 years. The original formulae gave relatively poor results, and in an attempt to obtain better accuracy the formulae were adapted with the current data. Even after adaptation of the formulae, the highest correlation between estimated age and actual age remained low (R 2 = 0.41), with mean errors ranging between 12 and 15 years. Periodontosis was better correlated with age than root transparency. The accuracy of the method was found to be much lower than what was originally published, but probably reflects biological reality and is on a par with other methods of adult age estimation.2

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“…Matsushita (one of the present authors) estimated the age and sex of Yuigahama-minami and Miwanoyama samples on the basis of skeletal morphological traits. For classifica-tion by age, Matsushita observed the progression of cranial sutural closure (Todd and Lyon, 1924, 1925a, 1925b, 1925cPerizonius, 1984) and changes in the pubic symphysial face (Todd, 1920;McKern and Stewart, 1957;Gilbert and McKern, 1973;Hanihara and Suzuki, 1978). In all reports, fully grown skeletons were classified as adolescent (16-20 years old), young adult (21-39 years old), middle-aged (40-59 years old), or senior (60 years and over).…”

Section: Methodsmentioning

confidence: 99%

Low AMTL ratios in medieval Japanese dentition excavated from the Yuigahama-minami site in Kamakura

Oyamada

Igawa

Kitagawa

et al. 2007

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Ante-mortem tooth loss (AMTL) in a medieval Japanese 'Yuigahama-minami' population excavated at Kamakura, Kanagawa prefecture, was examined. In the medieval period, Minamoto Yoritomo established the shogunate in Kamakura, and many battles were fought around Kamakura. Human skeletons from the medieval sites in Kamakura are considered to be casualties of these battles. The AMTL ratio in Kamakura medieval skeletons, as reported in previous work, is very low. If these medieval skeletons derive from death in battle, they can be expected to be comparatively younger than those deriving from natural death; and if the ratio of younger skeletons is high, the AMTL ratio would naturally be expected to be comparatively low. The findings of the present study indicate that AMTL ratios in this medieval population, not only in the young, but also in the elderly, were low for the period. A comparison of AMTL ratios in the Yuigahama-minami with the Miwanoyama medieval population in Chiba prefecture indicates that the low AMTL ratio in the former was not a common characteristic of the medieval Japanese, and that there were regional differences in AMTL ratios in the period. Comparisons also show that the ratios of dental caries in both the young and elderly Yuigahama-minami medieval population were lower than among other early Japanese. Not only the AMTL, but also the dental caries ratios of Yuigahama-minami males were significantly lower than those of Yuigahama-minami females, both young and elderly. It therefore appears that Yuigahamaminami males had exceptionally good dental health.

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Estimation of age from the pubic symphysis by means of multiple regression analysis

Cited by 61 publications

References 9 publications

Application of the Suchey-Brooks system of pubic age estimation to recent Japanese skeletal material

Application of the Suchey-Brooks system of pubic age estimation to recent Japanese skeletal material

A test of the Lamendin method of age estimation in South African canines

Low AMTL ratios in medieval Japanese dentition excavated from the Yuigahama-minami site in Kamakura

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