K-means clustering of outpatient prescription claims for health insured in Iran

Author:

Monahhed Shekoofeh1,Sefiddashti Sara Emamgholipour1,Minaei Behrouz2,Shahali Zahra3

Affiliation:

1. Tehran University of Medical Sciences

2. Iran University of Science and Technology

3. National Center for Health Insurance Research (Iran Health Insurance Organization)

Abstract

Abstract Objective The segmentation of consumers based on their behavior and needs is the most crucial action of the health insurance organization. This study's objective is to cluster Iranian health insureds according to their demographics and data on outpatient prescriptions. Setting The population in this study corresponded to the research sample. The Health Insurance Organization's outpatient claims were registered consecutively in 2016, 2017, 2018, and 2019 were clustered. Design The k-means clustering algorithm was used to cross-sectionally and retrospectively analyze secondary data from outpatient prescription claims for secondary care using Python 3.10. Participants The current analysis transformed 21 776 350 outpatient prescription claims from health insured into 193 552 insureds. Results Insureds using IQR were split into three classes low, middle, and high risk. Based on the silhouette coefficient the insureds of all classes were divided into three clusters. all data for a period of four years, the first through third clusters, there were 21 799, 7170, and 19 419 insureds in the low risk class. Middle risk class had 48 348,23 321, 25 107 insureds and 14 037, 28 504, 5847 insured in the high risk class were included. For the first cluster of low-risk insureds: the total average cost of prescriptions paid by the insurance for the insureds was 211$, the average age was 26 years, the average franchise 88.5US$, the average number of medications and prescriptions was 409 and 62, the total average costs of prescriptions Outpatient was 302.5 US$, the total average number of medications for acute and chronic disease was 178 and 215 respectively. The majority of insureds were men and those who were part of the householder's family. Conclusions By segmenting insurance customers insurers can set insurance premium rates, controlling the risk of loss which improves their capacity to compete in the insurance market.

Publisher

Research Square Platform LLC

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