Associations of Systemic Inflammation Response Index (SIRI) with Risk of Cardiovascular Diseases Across Age and Gender Groups: A Retrospective Analysis of NHANES 2021-2023
Abstract
Background :
Systemic
inflammation
is
a
contributor
to
the
pathogenesis
of
cardiovascular
diseases,
such
as
congestive
heart
failure
(CHF),
coronary
artery
disease
(CAD),
and
stroke.
response
index
(SIRI),
simple
measure
systemic
inflammation,
calculated
using
absolute
monocyte,
neutrophil,
lymphocyte
counts.
Whether
SIRI
can
be
used
screening
test
for
diseases
across
different
age
gender
groups
remains
unclear.
This
retrospective
analysis
National
Health
Nutrition
Examination
Survey
(NHANES)
data
aimed
explore
selected
groups.
Methods :
study
analyzed
complete
blood
count
(CBC-L)
medical
conditions
(MCQ-L)
datasheets
NHANES
2021-2023.
was
CBC-L
monocytes
×absolute
neutrophils
÷
lymphocytes;
quartiles
were
calculated.
Prevalences
CHF,
CAD,
angina,
attack,
stroke
MCQ-L;
their
prevalence
burden
also
according
quartiles.
Considering
independent
predictor,
Receiver
Operating
Curve
(ROC)
performed
each
determine
area
under
ROC
curve
(AUC)
clinically
useful
values.
Results :
A
total
5757
participants,
who
had
available
both
MCQ-L,
analyzed.
Overall,
self-reported
prevalences
4.2%,
5.4%,
2.3%,
4.3%,
4.5%,
respectively.
follows:
Q1:
<0.7;
Q2:
0.7−1.04,
Q3:
1.04−1.54;
Q4:
>1.54.
Prevalence
increased
significantly
from
Q1
Q4
(particularly
steeply
Q4);
instance,
CAD
follows;
2.2%;
3.6%;
5.6%;
10.3%;
p=0.000).
The
participants
in
Q4,
with
SIRI>1.54,
highest
disease,
ranging
37.3%
47.4%
CAD.
However,
values
associated
old
(age>59)
males.
showed
that
significant
predictor
all
five
AUC
0.598
0.673
For
close
0.6
2.2
90%
sensitivity
specificity,
Conclusion:
suggests
high
SIRI,
particularly
>1.54,
diseases.
Certain
reach
up
(SIRI=0.6)
or
specificity
(SIRI=2.2).
These
estimates
could
help
inform
augment
interventions,
especially
subsets
older
individuals
men.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown
Published: March 11, 2025
Language: Английский