Expressing Uncertainty in Dental Age Estimation: A Comparison between Two Methods of Calculating the “Average” Standard Deviation

The expression of uncertainty is defined by the standard deviation and is usually expressed in multiples of the standard deviation (±1sd, ±2sd, and ±3sd). The objective was to use weighting of the sd calculation by the number or count of subjects for each tooth development stage. A comparison shows...

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Bibliographic Details
Published in:Journal of forensic sciences 2019-09, Vol.64 (5), p.1506-1509
Main Authors: Draft, Derek, Lucas, Victoria S., McDonald, Fraser, Andiappan, Manoharan, Roberts, Graham
Format: Article
Language:English
Subjects:
Adolescent
Age
Age Determination by Teeth - methods
Child
Child, Preschool
Chronology
dental age estimation
Female
Forensic odontology
forensic science
Humans
Male
Mathematical analysis
pooled standard deviation
Standard deviation
Statistics as Topic
Teeth
Uncertainty
unweighted average standard deviation
weighted average standard deviation
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Summary:The expression of uncertainty is defined by the standard deviation and is usually expressed in multiples of the standard deviation (±1sd, ±2sd, and ±3sd). The objective was to use weighting of the sd calculation by the number or count of subjects for each tooth development stage. A comparison shows the difference between the range of uncertainty using the unweighted sd and the weighted sd. The range of uncertainty related to Dental Age Estimation is statistically significantly greater (p 
ISSN:0022-1198
1556-4029
DOI:10.1111/1556-4029.14049