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Siti Chandra Widjanantie
Department of Physical Medicine and Rehabilitation, Faculty of Medicine, University of Indonesia, Jakarta
Dentistry Health Professions Medicine & Pharmacology Nursing Public Health

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Correlation of Single Breath Count Test with Peak Expiratory Flow Rate in Adult Patients Post COVID-19 Infection Marcherly Wardi; Siti Chandra Widjanantie; Heidy Agustin; Cleopas Martin Rumende; Andari Perwira Putri; Sri Wahyudati
Medica Hospitalia : Journal of Clinical Medicine Vol. 12 No. 2 (2025): Med Hosp
Publisher : RSUP Dr. Kariadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36408/mhjcm.v12i2.1358

Abstract

BACKGROUND: The utilization of spirometry has garnered significant attention recently due to its potential role in transmitting COVID-19. There is a critical need for a straightforward bedside assessment capable of accurately measuring respiratory function without relying on equipment and minimizing the risk of airborne transmission. AIMS: To know the correlation between Single Breath Count Test (SBCT) values and Peak Expiratory Flow Rate (PEFR) values in adult patients recovering from COVID-19. METHOD: This study presents a cross-sectional design with consecutive subject recruitment. The SBCT was administered using a metronome, while PEFR was measured using a Mini Wright Peak Flow Meter on a sample of 38 participants, comprising 18 men and 20 women. RESULT: Statistical analysis using Pearson’s parametric correlation test revealed a significant relationship between SBCT and PEFR (p < 0.05), with a moderate positive correlation observed (r = 0.516). CONCLUSION: This research demonstrates a significant, moderate positive correlation between SBCT and PEFR in adult post-COVID-19 patients, indicating that higher SBCT values correspond to higher PEFR measurements.
Correlation between Maximal Inspiratory Pressure and the Sit-to-Stand Test in Post-COVID-19 Patients Siti Chandra Widjanantie; Erick Ary Tjawanta; Triya Damayanti; Cleopas Martin Rumende; Andari Perwira Putri; Heidy Agustin; Erna Setiawati; Sri Wahyudati
Medica Hospitalia : Journal of Clinical Medicine Vol. 12 No. 3 (2025): Med Hosp
Publisher : RSUP Dr. Kariadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36408/mhjcm.v12i3.1382

Abstract

BACKGROUND: Coronavirus Disease 2019 (COVID-19) can lead to long-lasting complications such as ongoing respiratory issues and functional impairments. Damage to the alveoli and respiratory muscles, particularly the diaphragm, may result in lower maximal inspiratory pressure (MIP) and decreased physical performance. Although prior studies have examined the connection between MIP and functional tests in various respiratory conditions, research focusing on post-COVID-19 populations, particularly in Indonesia, is scarce. AIMS:  To investigate the correlation between Maximal Inspiratory Pressure (MIP) and 30-second Sit-to-Stand (30s STS) test performance in adult post-COVID-19 patients. METHOD: A cross-sectional study was conducted at two tertiary hospitals in Jakarta, Indonesia, involving 40 adults post-COVID-19 patients aged 18–59 years. Participants underwent clinical screening, spirometry, MIP measurement using the MicroRPM device, and the 30s STS test. Pearson correlation analysis was used for normally distributed variables with significance set at p < 0.05. RESULT:  The average MIP was 79.03 ± 26.68 cmH₂O, while the mean score for the 30s STS test was 12.78 ± 2.47 repetitions. Spirometric measurements revealed an average FEV₁ of 2.23 ± 0.57 L, FVC of 2.84 ± 0.69 L, and an FEV₁/FVC ratio of 81.19%. A moderate positive correlation between MIP and 30s STS performance was identified (r = 0.515, p = 0.001). CONCLUSION: There is a significant moderate correlation between MIP and 30s STS performance among post-COVID-19 patients, suggesting that simple functional tests can be effective tools for assessing respiratory muscle strength and informing rehabilitation strategies in clinical environments.
Co-Authors Andari Perwira Putri Andari Perwira Putri Cleopas Martin Rumende Erick Ary Tjawanta Erna Setiawati Heidy Agustin Marcherly Wardi Sri Wahyudati Triya Damayanti