1.
Irwin, RS, French, CL, Chang, AB, et al Classification of cough as a symptom in adults and management algorithms: CHEST guideline and expert panel report. Chest 2018; 153: 196–209.
Google Scholar |
Crossref |
Medline2.
Morice, AH, Millqvist, E, Bieksiene, K, et al ERS guidelines on the diagnosis and treatment of chronic cough in adults and children. Eur Respir J 2020; 55: 1901136.
Google Scholar |
Crossref |
Medline3.
Song, WJ, Chang, YS, Faruqi, S, et al The global epidemiology of chronic cough in adults: a systematic review and meta-analysis. Eur Respir J 2015; 45: 1479–1481.
Google Scholar |
Crossref |
Medline |
ISI4.
Arinze, JT, de Roos, EW, Karimi, L, et al Prevalence and incidence of, and risk factors for chronic cough in the adult population: the Rotterdam Study. ERJ Open Res 2020; 6: 00300-2019.
Google Scholar |
Crossref |
Medline5.
Çolak, Y, Nordestgaard, BG, Laursen, LC, et al Risk factors for chronic cough among 14,669 individuals from the general population. Chest 2017; 152: 563–573.
Google Scholar |
Crossref |
Medline6.
Chamberlain, SA, Garrod, R, Douiri, A, et al The impact of chronic cough: a cross-sectional European survey. Lung 2015; 193: 401–408.
Google Scholar |
Crossref |
Medline7.
French, CL, Crawford, SL, Bova, C, et al Change in psychological, physiological, and situational factors in adults after treatment of chronic cough. Chest 2017; 152: 547–562.
Google Scholar |
Crossref |
Medline8.
Kang, S-Y, Won, H-K, Lee, SM, et al Impact of cough and unmet needs in chronic cough: a survey of patients in Korea. Lung 2019; 197: 635–639.
Google Scholar |
Crossref |
Medline9.
Koskela, HO, Lätti, AM, Pekkanen, J. Risk factors for repetitive doctor’s consultations due to cough: a cross-sectional study in a Finnish employed population. BMJ Open 2019; 9: e030945.
Google Scholar |
Crossref |
Medline10.
Koskela, HO, Lätti, AM, Purokivi, MK. Long-term prognosis of chronic cough: a prospective, observational cohort study. BMC Pulm Med 2017; 17: 146.
Google Scholar |
Crossref |
Medline11.
Yousaf, N, Montinero, W, Birring, SS, et al The long term outcome of patients with unexplained chronic cough. Respir Med 2013; 107: 408–412.
Google Scholar |
Crossref |
Medline12.
McGarvey, L, Gibson, PG. What is chronic cough? Terminology. J Allergy Clin Immunol Pract 2019; 7: 1711–1714.
Google Scholar |
Crossref |
Medline13.
Smith, JA, Kitt, MM, Morice, AH, et al Gefapixant, a P2X3 receptor antagonist, for the treatment of refractory or unexplained chronic cough: a randomised, double-blind, controlled, parallel-group, phase 2b trial. Lancet Respir Med 2020; 8: 775–785.
Google Scholar |
Crossref |
Medline14.
Smith, JA, Kitt, MM, Butera, P, et al Gefapixant in two randomised dose-escalation studies in chronic cough. Eur Respir J 2020; 55: 1901615.
Google Scholar |
Crossref |
Medline15.
Smith, J, Allman, D, Badri, H, et al The neurokinin-1 receptor antagonist orvepitant is a novel antitussive therapy for chronic refractory cough: results from a phase 2 pilot study (VOLCANO-1). Chest 2020; 157: 111–118.
Google Scholar |
Crossref |
Medline16.
Vernon, M, Kline Leidy, N, Nacson, A, et al Measuring cough severity: perspectives from the literature and from patients with chronic cough. Cough 2009; 5: 5.
Google Scholar |
Crossref |
Medline17.
Birring, SS, Spinou, A. How best to measure cough clinically. Curr Opin Pharmacol 2015; 22: 37–40.
Google Scholar |
Crossref |
Medline18.
Spinou, A, Birring, SS. An update on measurement and monitoring of cough: what are the important study endpoints? J Thorac Dis 2014; 6(Suppl. 7): S728–S734.
Google Scholar |
Medline19.
Cho, PSP, Birring, SS, Fletcher, HV, et al Methods of cough assessment. J Allergy Clin Immunol Pract 2019; 7: 1715–1723.
Google Scholar |
Crossref |
Medline20.
Birring, SS, Prudon, B, Carr, AJ, et al Development of a symptom specific health status measure for patients with chronic cough: Leicester Cough Questionnaire (LCQ). Thorax 2003; 58: 339–343.
Google Scholar |
Crossref |
Medline |
ISI21.
French, CT, Irwin, RS, Fletcher, KE, et al Evaluation of a cough-specific quality-of-life questionnaire. Chest 2002; 121: 1123–1131.
Google Scholar |
Crossref |
Medline |
ISI22.
Vernon, M, Kline Leidy, N, Nacson, A, et al Measuring cough severity: development and pilot testing of a new seven-item cough severity patient-reported outcome measure. Ther Adv Respir Dis 2010; 4: 199–208.
Google Scholar |
SAGE Journals23.
Martin Nguyen, A, Bacci, E, Dicpinigaitis, P, et al Quantitative measurement properties and score interpretation of the Cough Severity Diary in patients with chronic cough. Ther Adv Respir Dis 2020; 14: 1753466620915155.
Google Scholar |
SAGE Journals |
ISI24.
Birring, SS, Brew, J, Kilbourn, A, et al Rococo study: a real-world evaluation of an over-the-counter medicine in acute cough (a multicentre, randomised, controlled study). BMJ Open 2017; 7: e014112.
Google Scholar |
Crossref |
Medline25.
Lee, KK, Matos, S, Evans, DH, et al A longitudinal assessment of acute cough. Am J Respir Crit Care Med 2013; 187: 991–997.
Google Scholar |
Crossref |
Medline26.
Koo, TK, Li, MY. A guideline of selecting and reporting intraclass correlation coefficients for reliability research. J Chiropr Med 2016; 15: 155–163.
Google Scholar |
Crossref |
Medline |
ISI27.
Mukaka, MM. Statistics corner: a guide to appropriate use of correlation coefficient in medical research. Malawi Med J 2012; 24: 69–71.
Google Scholar |
Medline |
ISI28.
Martin Nguyen, A, Muccino, D, Birring, S, et al. Defining minimal clinically important differences (MCID) in chronic cough: analyses of objective cough counts from a phase 2 randomized controlled trial. J Allergy Clin Immunol 2019; 143(Suppl.): AB169.
Google Scholar29.
McGarvey, L, Birring, S, Morice, A, et al Late breaking abstract-two phase 3 randomized clinical trials of gefapixant, a P2X3 receptor antagonist, in refractory or unexplained chronic cough (COUGH-1 and COUGH-2). Eur Respir J 2020; 56(Suppl. 64): 3800.
Google Scholar30.
Cohen, J. Statistical power analysis for the behavioral sciences. 2nd ed. Hillside, NJ: Lawrence Erlbaum Associates, 1988.
Google Scholar31.
Decalmer, SC, Webster, D, Kelsall, AA, et al Chronic cough: how do cough reflex sensitivity and subjective assessments correlate with objective cough counts during ambulatory monitoring? Thorax 2007; 62: 329–334.
Google Scholar |
Crossref |
Medline |
ISI32.
Brightling, CE, Monterio, W, Green, RH, et al Induced sputum and other outcome measures in chronic obstructive pulmonary disease: safety and repeatability. Respir Med 2001; 95: 999–1002.
Google Scholar |
Crossref |
Medline33.
Koo, H-K, Jeong, I, Kim, J-H, et al Development and validation of the COugh Assessment Test (COAT). Respirology 2019; 24: 551–557.
Google Scholar |
Crossref |
Medline34.
Zhan, W, Zhang, L, Jiang, M, et al A new simple score of chronic cough: cough evaluation test. BMC Pulm Med 2020; 20: 68.
Google Scholar |
Crossref |
Medline35.
Boulet, LP, Coeytaux, RR, McCrory, DC, et al Tools for assessing outcomes in studies of chronic cough: CHEST guideline and expert panel report. Chest 2015; 147: 804–814.
Google Scholar |
Crossref |
Medline36.
Eccles, R. The powerful placebo effect in cough: relevance to treatment and clinical trials. Lung 2020; 198: 13–21.
Google Scholar |
Crossref |
Medline37.
Bird, SB, Dickson, EW. Clinically significant changes in pain along the visual analog scale. Ann Emerg Med 2001; 38: 639–643.
Google Scholar |
Crossref |
Medline |
ISI38.
Garza, AG, Wyrwich, KW. Health utility measures and the standard gamble. Acad Emerg Med 2003; 10: 360–363.
Google Scholar |
Crossref |
Medline
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