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Detecting the patient's need for help with machine learning based on expressions
1Department of Computer Science, Aalto University School of Science, Espoo, Finland. lauri.lahti@aalto.fi.
BMC Medical Research Methodology
|March 7, 2022
Summary
Self-rated health needs concerning COVID-19 vary significantly based on background factors like health and sex. Our new methodology links these differences to machine learning results for better health analytics.
Area of Science:
- Health analytics
- Machine learning
- Statistical analysis
Background:
- Machine learning models for health analytics require understanding statistical properties of self-rated health statements.
- Research analyzes COVID-19 related self-rated statements to link group differences to machine learning outcomes.
Purpose of the Study:
- To analyze self-rated expression statements about the COVID-19 epidemic.
- To develop and apply a new methodology for influence analysis in machine learning.
- To link statistically significant differences in respondent groups to machine learning results.
Main Methods:
- Quantitative cross-sectional study with 673 online respondents from Finnish organizations.
- Collected "need for help" ratings on 20 health statements (11-point Likert scale) and background data (health, wellbeing, sex, age).
- Proposed and tested a new machine learning influence analysis methodology.
Main Results:
- Found significant Kendall rank-correlations and high cosine similarity between statement ratings and background questions.
- Identified significant rating differences based on health condition, quality of life, and sex using Wilcoxon, Kruskal-Wallis, and ANOVA tests.
- Demonstrated how statistically significant rating differences link to machine learning results.
Conclusions:
- Self-rated "need for help" varies significantly with individual background information (health, quality of life, sex).
- The new methodology connects significant rating differences to machine learning outcomes.
- Enables development of improved machine learning for personalized patient care.
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