The multivariate regression correlation test between age, BMI, and CD4/CD8 ratio on neutralizing antibodies (NAbs) titer was preceded by the Shapiro-Wilk normality test
Shapiro-Wilk test
Age
BMI (kg/m2)
Ratio CD4/CD8
Vitamin D
NAb
Mean
47.02
23.86
1.29
14.47
37.33
Standard deviation
15.41
3.65
0.44
7.73
26.83
Asymptotic significance
0.058
0.200
0.182
0.034
0.068
Predictor
R
R square
P
Age, BMI, ratio CD4/CD8
0.441
0.195
0.033
Multiple correlation test
Coefficients
P
Constant
69.462
0.029
Age
0.225
0.371
BMI
–2.577
0.018
Ratio CD4/CD8
14.589
0.099
Declarations
Acknowledgments
We thank Prodia Clinical Laboratory for examining the blood samples.
Author contributions
HR: Conceptualization, Investigation, Data curation, Formal analysis, Methodology, Writing—original draft. FT, GP, and AAP: Writing—review & editing. SF: Data curation, Writing—review & editing. All authors read and approved the submitted version.
Conflicts of interest
The authors declare that they have no conflicts of interest.
Ethical approval
The studies involving human participants were reviewed and approved by the Ethics Committee of Immanuel Hospital, Bandung, Indonesia (ethics approval number: 36/A01/EC/IX/2021).
Consent to participate
Informed consent to participate in the study was obtained from all participants.
Consent to publication
Not applicable.
Availability of data and materials
The data presented in this study are available on request from the corresponding author.
Funding
This study was supported by the Universitas Kristen Maranatha, Bandung, Indonesia, under the B scheme. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Open Exploration maintains a neutral stance on jurisdictional claims in published institutional affiliations and maps. All opinions expressed in this article are the personal views of the author(s) and do not represent the stance of the editorial team or the publisher.
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