The global effects of digestive system cancers worldwide on the COVID-19 pandemic by negative binomial (mixed) regression models
Neslihan İyit
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Journal of Radiation Research and Applied Sciences,
Journal Year:
2024,
Volume and Issue:
17(3), P. 100944 - 100944
Published: May 8, 2024
In
this
study,
the
main
goal
is
to
determine
statistically
significant
relationships
between
biggest
epidemic
problem
of
last
years
as
COVID-19
pandemic
and
digestive
system
cancers
belonging
168
countries
worldwide
using
generalized
linear
mixed
model
(GLMM)
its
special
case
(GLM)
approaches,
obtain
global
inferences
that
will
shed
light
on
pandemic.
For
goal,
response
variable
"total
cases
per
100,000
people"
until
January
14,
2022.
The
explanatory
variables
are
total
number
people
suffering
from
colon
rectum,
stomach,
lip
oral
cavity,
esophageal,
nasopharynx
2019,
respectively.
negative
binomial
(NB)
regression
in
GLM
iteratively
reweighted
least
squares
(IRLS)
algorithm
NB
GLMM
with
"countries"
taken
"random
effects"
Adaptive
Gauss-Hermite
Quadrature
(AGHQ)
approximation
method
at
1,
2,
10,
20
quadrature
points
used
for
modelling
systems
cancer
data.
by
information
criteria,
under
log-link
function
random
effects
AGHQ
point
detected
most
appropriate
Language: Английский
A Novel Statistical Approach to Investigate Wisconsin Breast Cancer Data by Generalized Linear Mixed Model Approach in Cancer Epidemiology in Medicine
Published: Oct. 11, 2023
The
main
aim
of
this
study
is
to
predict
whether
the
type
breast
cancer
“benign”
or
“malignant”
by
classical
generalized
linear
model
(GLM)
approach
and
an
extended
family
GLM
called
mixed
(GLMM)
for
binomially
distributed
response
variable
with
binary
link
functions.
In
study,
advanced
statistical
modeling
based
on
GLMM
traditional
various
functions
proposed
investigate
relationships
between
“malignant
benign
diagnosis
BC
in
patients”
“nine
attributes”
699
diagnosed
patients.
This
also
focuses
significance
accurate
classification
patients
studies
medicine
WBC
dataset.
superiority
over
especially
belonging
dataset
emphasized
field
medicine.
Also
importance
power
IC
performance
metrics
as
goodness-of-fit
test
statistics
are
strongly
inferences
from
“best”
fitted
model.
findings,
best
among
approaches
determined
under
“logit”
function
“id”
random
effect
most
statistically
significant
odds
occurance
being
7.9104,
5.6888,
5.6643,
4.9842,
4.1212,
2.0679,
1.8755,
1.3970
times
more
than
every
one-unit
increase
quantities
“clump
thickness”,
“bland
chromatin”,
“mitoses”,
“bare
nuclei”,
“cell
shape”,
“marginal
adhesion”,
“epithelial
cell
size”,
respectively.
Language: Английский