ArticleInfectious Disease Modelling2022
Evaluating recurrent episodes of malaria incidence in Timika, Indonesia, through a Markovian multiple-state model.
Article in Infectious Disease Modelling, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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2 authors at 1 institution in 1 country.
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Abstract
Background: The high prevalence of malaria in endemic areas generally stems from recurrence events, characterized by the appearance of malaria symptoms at the time of examination; nearly every resident is at risk of experiencing such a recurrence. The verified presence of Objective: This study aims to identify the transition probabilities of malaria recurrence with and without control strategies. Methods: We use data from the medical records of malaria patients from the Naena Muktipura sub-health center in Timika, Papua, Indonesia, from March 2020 to March 2021. The data were grouped into two age categories: those under or over 24 years. The incidence of malaria in this area was modeled using a Markovian multiple-state model, dividing the incidence data based on the character of the patient's condition (Undetected Parasitaemia, Confirmed, or Aparasitaemic states) in order to obtain the patient's transition probabilities in each state. Furthermore, we simulate the recurrence probability given specific control strategies. Results: There were 964 visits to the sub-health center at Naena Muktipura in which symptoms of malaria were reported. Specifically, the number of the malaria incidences in the groups under and over age 24 were 456 and 508, respectively. The modeling results indicate that the probability of recurrence in the over-24 age group is generally higher than that in the under-24 age group. However, the probability of this recurrence decreases over time. Furthermore, providing a control strategy can reduce the probability of recurrence and increase the probability of recovery for these patients. Conclusion: In endemic areas, adherence to treatment and preventive measures can accelerate the healing process and reduce the probability of malaria recurrence. With proper treatment management, the use of ITNs and the application of IRS, the incidence of malaria can be reduced and recovery can be accelerated.
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