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Accuracy of the third molar maturity index in assessing the legal age of 18 years: a systematic review and meta-analysis

Overview of attention for article published in International Journal of Legal Medicine, December 2017
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About this Attention Score

  • Above-average Attention Score compared to outputs of the same age (53rd percentile)
  • Good Attention Score compared to outputs of the same age and source (79th percentile)

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Title
Accuracy of the third molar maturity index in assessing the legal age of 18 years: a systematic review and meta-analysis
Published in
International Journal of Legal Medicine, December 2017
DOI 10.1007/s00414-017-1766-4
Pubmed ID
Authors

Bianca Marques Santiago, Leopoldina Almeida, Yuri Wanderley Cavalcanti, Marcela Baraúna Magno, Lucianne Cople Maia

Abstract

The age estimation is a complex procedure required in the daily practice of legal medicine. The maturity of third molars stands out by the age of 18 because these teeth are still in development. This systematic review aimed to assess the accuracy of the third molar maturity index (I 3M), proposed by Cameriere et al. (2008), in discriminating whether an individual is under or over 18 years. Seven electronic databases were screened: PubMed, Scopus, ISI Web of Science, Cochrane Library, LILACS, SIGLE, and CAPES. Eligible studies included an assessment of I 3M accuracy at the 0.08 cut-off value. The quality assessment was performed by using QUADAS 2. Three meta-analyses (MA) were accomplished: overall, one for males and another for females. From 2397 articles identified, 16 met the eligibility criteria. Of these, two showed high risk of bias, one in the reference standard domain and the other in the flow and timing domain. The percentage of individuals correctly classified ranged from 72.4 to 96.0%. The overall MA showed pooled sensitivity of 0.86 (0.84 to 0.87; p = 0.0000) and pooled specificity of 0.93 (0.92 to 0.94; p = 0.0000). The AUC (area under the summary receiver operator characteristics curve) and DOR (diagnostic odds ratio) values were, respectively, 0.9652 and 104.68, indicating an overall high discrimination effect. Separately, better results of accuracy were found for males. High heterogeneity was achieved for both sensibility (94.6%) and specificity (88.8%). We conclude that the I 3M is a suitable and useful method for estimating adulthood regarding forensic purposes, regardless of gender.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 60 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 60 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 7 12%
Student > Ph. D. Student 6 10%
Student > Bachelor 6 10%
Professor 5 8%
Researcher 4 7%
Other 11 18%
Unknown 21 35%
Readers by discipline Count As %
Medicine and Dentistry 27 45%
Mathematics 1 2%
Nursing and Health Professions 1 2%
Agricultural and Biological Sciences 1 2%
Biochemistry, Genetics and Molecular Biology 1 2%
Other 4 7%
Unknown 25 42%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 October 2018.
All research outputs
#13,000,138
of 23,012,811 outputs
Outputs from International Journal of Legal Medicine
#671
of 2,084 outputs
Outputs of similar age
#204,234
of 440,933 outputs
Outputs of similar age from International Journal of Legal Medicine
#12
of 59 outputs
Altmetric has tracked 23,012,811 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,084 research outputs from this source. They receive a mean Attention Score of 4.6. This one has gotten more attention than average, scoring higher than 67% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 440,933 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.
We're also able to compare this research output to 59 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 79% of its contemporaries.