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Prevalence of Coronavirus Disease 2019 (COVID-19) in Different Clinical Stages before the National COVID-19 Vaccination Programme in Malaysia: A Systematic Review and Meta-Analysis

Author

Listed:
  • Jun Wei Ng

    (Biotechnology Programme, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia)

  • Eric Tzyy Jiann Chong

    (Biotechnology Programme, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
    Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia)

  • Yee Ann Tan

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Heng Gee Lee

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Lan Lan Chan

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Qin Zhi Lee

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Yen Tsen Saw

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Yiko Wong

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Ahmad Aizudeen Bin Zakaria

    (Queen Elizabeth Hospital, Jalan Penampang, Kota Kinabalu 88200, Sabah, Malaysia)

  • Zarina Binti Amin

    (Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia)

  • Ping-Chin Lee

    (Biotechnology Programme, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
    Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia)

Abstract

More than 1.75 million COVID-19 infections and 16 thousand associated deaths have been reported in Malaysia. A meta-analysis on the prevalence of COVID-19 in different clinical stages before the National COVID-19 Vaccination Program in Malaysia is still lacking. To address this, the disease severity of a total of 215 admitted COVID-19 patients was initially recorded in the early phase of this study, and the data were later pooled into a meta-analysis with the aim of providing insight into the prevalence of COVID-19 in 5 different clinical stages during the outset of the COVID-19 pandemic in Malaysia. We have conducted a systematic literature search using PubMed, Web of Science, Scopus, ScienceDirect, and two preprint databases (bioRxiv and medRxiv) for relevant studies with specified inclusion and exclusion criteria. The quality assessment for the included studies was performed using the Newcastle–Ottawa Scale. The heterogeneity was examined with an I 2 index and a Q-test. Funnel plots and Egger’s tests were performed to determine publication bias in this meta-analysis. Overall, 5 studies with 6375 patients were included, and the pooled prevalence rates in this meta-analysis were calculated using a random-effect model. The highest prevalence of COVID-19 in Malaysia was observed in Stage 2 cases (32.0%), followed by Stage 1 (27.8%), Stage 3 (17.1%), Stage 4 (7.6%), and Stage 5 (3.4%). About two-thirds of the number of cases have at least one morbidity, with the highest percentage of hypertension (66.7%), obesity (55.5%), or diabetes mellitus (33.3%) in Stage 5 patients. In conclusion, this meta-analysis suggested a high prevalence of COVID-19 occurred in Stage 2. The prevalence rate in Stage 5 appeared to be the lowest among COVID-19 patients before implementing the vaccination program in Malaysia. These meta-analysis data are critically useful for designing screening and vaccination programs and improving disease management in the country.

Suggested Citation

  • Jun Wei Ng & Eric Tzyy Jiann Chong & Yee Ann Tan & Heng Gee Lee & Lan Lan Chan & Qin Zhi Lee & Yen Tsen Saw & Yiko Wong & Ahmad Aizudeen Bin Zakaria & Zarina Binti Amin & Ping-Chin Lee, 2022. "Prevalence of Coronavirus Disease 2019 (COVID-19) in Different Clinical Stages before the National COVID-19 Vaccination Programme in Malaysia: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 19(4), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:4:p:2216-:d:750407
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    References listed on IDEAS

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    1. Muluneh Alene & Leltework Yismaw & Moges Agazhe Assemie & Daniel Bekele Ketema & Belayneh Mengist & Bekalu Kassie & Tilahun Yemanu Birhan, 2021. "Magnitude of asymptomatic COVID-19 cases throughout the course of infection: A systematic review and meta-analysis," PLOS ONE, Public Library of Science, vol. 16(3), pages 1-11, March.
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