What changes the quality of life in a hemodialysis patient: A machine learning approach

Journal of Nephrology & Therapeutics

ISSN: 2161-0959

Open Access

What changes the quality of life in a hemodialysis patient: A machine learning approach

11th International Conference on Nephrology & Urology

March 22-23, 2017 Rome, Italy

Shoab Saadat

Shifa International Hospital, Pakistan

Scientific Tracks Abstracts: J Nephrol Ther

Abstract :

Statement of the Problem: Lifestyle of hemodialysis patients has a significant impact on their quality of life (QOL). Physical, psychological, social, environmental and financial factors play an important role in determining the QOL. Several studies identify the most significant correlation with a better QOL in these patients; because, there has been no study specifically aiming at predicting a change in QOL using modern machine learning techniques. Aim: The purpose of this study is to produce a classification model for the most important positive and negative predictors for the QOL in hemodialysis patients. Methodology & Theoretical Orientation: This is a prospective cohort study of patients on at least three months of hemodialysis. By the first interim analysis, a total of 78 patients were administered a pro forma containing questions about demographics and the validated Urdu version of WHO BREF questionnaire for the QOL assessment by a MBBS qualified doctor on day 0 and 30. Statistical analysis was performed using SPSS version 24, while machine learning algorithms including the classification tree were generated using Orange. Findings: A total of 78 patients were enrolled and analyzed for the first interim analysis (42 males, 36 females). The domain means of WHO BREF questionnaire for QOL were: Physical=12.9 (SD=3.7), psychological=15.0 (SD=3.4), social=15.2 (SD=2.75), environmental=16 (SD=2.9) respectively. Linear regression model (p<0.000, R2=0.418), showed monthly income (p<0.000) and serum albumin (p<0.000) to be positively and significantly associated with better QOL. Among machine learning algorithms (classification tree and Na├?┬»ve Bayes models), classification tree was the most accurate (AUC=83.3%). Conclusion & Significance: Machine learning algorithms can be used to classify patients into those with higher probabilities of having a given change in QOL in future. This can in turn be used to risk stratify patients and for better utilization of health resources.

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