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ID 34922
file
creator
Rahman, Mohd. Muzibur
Kambe, Masayuki
subject
Age-dependent measurement
Box-Cox transformation
Cross-sectional study
Percentile estimation
Local likelihood method
Power-normal-model
NDC
Medical sciences
abstract
Age-specific distribution of clinical measurements in cross-sectional study is described in this paper. Since the distribution of measurements usually varies with age, a model with an agedependent structure is needed. We propose here a statistical method for describing the age-specific distribution using an extension of the power-normal-model. The age-dependent parameters are to be estimated through a nonparametric smoothing technique based on the local likelihood method. As a consequence, we can compute a smoothed percentile curve of measurements with reference to age. Several kinds of clinical measurements are analyzed to determine the proposed method.
journal title
Hiroshima Journal of Medical Sciences
volume
Volume 55
issue
Issue 1
start page
17
end page
28
date of issued
2006-03
publisher
Hiroshima University Medical Press
issn
0018-2052
ncid
language
eng
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
rights
(c) Hiroshima University Medical Press.
department
Graduate School of Biomedical Science
Research Institute for Radiation Biology and Medicine
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