References
- Rotar AM, van den Berg MJ, Kringos DS, Klazinga NS. Reporting and use of the OECD Health Care Quality Indicators at national and regional level in 15 countries. Int J Qual Health Care 2016;28:398-404. https://doi.org/10.1093/intqhc/mzw027
- Lopez AD, Shibuya K, Rao C, Mathers CD, Hansell AL, Held LS, et al. Chronic obstructive pulmonary disease: current burden and future projections. Eur Respir J 2006;27:397-412. https://doi.org/10.1183/09031936.06.00025805
- Jung EK. Chronic disease status and issues. Cheongju: Korea Centers for Disease Control and Prevention; 2019.
- Salvi SS, Barnes PJ. Chronic obstructive pulmonary disease in non-smokers. Lancet 2009;374:733-43. https://doi.org/10.1016/S0140-6736(09)61303-9
- World Health Organization. Asthma [Internet]. Geneva: World Health Organization, 2020 [cited 2020 Jun 2]. Available from: https://www.who.int/news-room/q-a-detail/asthma.
- Koh YJ, Kim SD, Park SY, Jang SK. Childrens' health risk assessment on indoor hazardous air pollutants of preschool facility. J Environ Health Sci 2009;35:78-85.
- Haahtela T, Tuomisto LE, Pietinalho A, Klaukka T, Erhola M, Kaila M, et al. A 10 year asthma programme in Finland: major change for the better. Thorax 2006;61:663-70. https://doi.org/10.1136/thx.2005.055699
- Gold WM, Koth LL. Pulmonary function testing. In: Broaddus VC, Mason RJ, Ernst JD, King TE, Lazarus SC, Murray JF, et al., editors. Murray and Nadel's textbook of respiratory medicine. 6th ed. Philadelphia (PA): W.B. Saunders; 2016. p. 407-435.e18.
- Graham BL, Steenbruggen I, Miller MR, Barjaktarevic IZ, Cooper BG, Hall GL, et al. Standardization of spirometry 2019 update. An official American Thoracic Society and European Respiratory Society technical statement. Am J Respir Crit Care Med 2019;200:e70-88. https://doi.org/10.1164/rccm.201908-1590ST
- Hanayama K, Ishikawa Y, Bach JR. Amyotrophic lateral sclerosis. Successful treatment of mucous plugging by mechanical insufflation-exsufflation. Am J Phys Med Rehabil 1997;76:338-9. https://doi.org/10.1097/00002060-199707000-00017
- Teixeira-Salmela LF, Olney SJ, Nadeau S, Brouwer B. Muscle strengthening and physical conditioning to reduce impairment and disability in chronic stroke survivors. Arch Phys Med Rehabil 1999;80:1211-8. https://doi.org/10.1016/S0003-9993(99)90018-7
- Teixeira-Salmela LF, Parreira VF, Britto RR, Brant TC, Inacio EP, Alcantara TO, et al. Respiratory pressures and thoracoabdominal motion in community-dwelling chronic stroke survivors. Arch Phys Med Rehabil 2005;86:1974-8. https://doi.org/10.1016/j.apmr.2005.03.035
- Decramer M, Demedts M, Rochette F, Billiet L. Maximal transrespiratory pressures in obstructive lung disease. Bull Eur Physiopathol Respir 1980;16:479-90.
- Agarwal V, Ramachandran N. Design and development of a low-cost spirometer with an embedded web server. Int J Biomed Eng Technol 2008;1:439-52. https://doi.org/10.1504/IJBET.2008.020072
- Ovechkin A, Vitaz T, de Paleville DT, Aslan S, McKay W. Evaluation of respiratory muscle activation in individuals with chronic spinal cord injury. Respir Physiol Neurobiol 2010;173:171-8. https://doi.org/10.1016/j.resp.2010.07.013
- Ministry of SMEs and Startups. Bio health technology roadmap for SME 2020-2022 [Internet]. Daejeon: Ministry of SMEs and Startups, 2020 [cited 2020 Jun 2]. Available from: http://smroadmap.smtech.go.kr/0201/view/m_code/A140/s_code/A17/idx/2505.
- Shmulewitz A, Langer R, Patton J. Convergence in biomedical technology. Nat Biotechnol 2006;24:277.
- Oh YM, Hong SB, Shim TS, Lim CM, Koh Y, Kim WS, et al. Effect of a new spirometric reference equation on the interpretation of spirometric patterns and disease severity. Tuberc Respir Dis 2006;60:215-20. https://doi.org/10.4046/trd.2006.60.2.215
- Balasubramaniam M, Sivapalan K, Thuvarathipan R. Lung function parameters of healthy Sri Lankan Tamil young adults. Ceylon Med J 2014;59:49-53. https://doi.org/10.4038/cmj.v59i2.7063
- Melbye H, Medbo A, Crockett A. The FEV1/FEV6 ratio is a good substitute for the FEV1/FVC ratio in the elderly. Prim Care Respir J 2006;15:294-8. https://doi.org/10.1016/j.pcrj.2006.07.002
- Dassios T, Katelari A, Doudounakis S, Dimitriou G. Comparison of two methods of measurement of maximal respiratory pressures in health and cystic fibrosis. J Biomed Sci Eng 2013;6:43-8. https://doi.org/10.4236/jbise.2013.68A2006
- Badr C, Elkins MR, Ellis ER. The effect of body position on maximal expiratory pressure and flow. Aust J Physiother 2002;48:95-102. https://doi.org/10.1016/S0004-9514(14)60203-8
- Portney LG. Foundations of clinical research: applications to evidence-based practice. 4th ed. Philadelphia (PA): FA Davis; 2020.
- Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Int J Nurs Stud 2010;47:931-6. https://doi.org/10.1016/j.ijnurstu.2009.10.001
- Jacobson NS, Truax P. Clinical significance: a statistical approach to defining meaningful change in psychotherapy research. J Consult Clin Psychol 1991;59:12-9. https://doi.org/10.1037/0022-006X.59.1.12
- COSMED. MicroQuark brochure [Internet]. Rome: COSMED, 2020 [cited 2020 Jun 2]. Available from: https://www.cosmed.com/hires/microQuark_flyerbrochure_A4_C09061-02-93_EN_web.pdf.
- CareFusion. The manual of MicroRPM. Basingstoke: CareFusion; 2014.