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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1970 1
1975 1
1976 1
1977 2
1979 3
1980 4
1981 1
1982 4
1983 6
1984 4
1985 3
1986 12
1987 6
1988 7
1989 5
1990 13
1991 16
1992 12
1993 13
1994 10
1995 12
1996 25
1997 15
1998 17
1999 20
2000 21
2001 26
2002 31
2003 36
2004 25
2005 47
2006 35
2007 65
2008 56
2009 71
2010 57
2011 97
2012 96
2013 95
2014 112
2015 107
2016 114
2017 110
2018 126
2019 131
2020 152
2021 151
2022 143
2023 152
2024 74

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2,076 results

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Page 1
Office Spirometry: Indications and Interpretation.
Langan RC, Goodbred AJ. Langan RC, et al. Am Fam Physician. 2020 Mar 15;101(6):362-368. Am Fam Physician. 2020. PMID: 32163256 Free article. Review.
Airway obstruction is suspected when there is a decreased forced expiratory volume in one second/forced vital capacity (FEV1/FVC) ratio, but there is no strong evidence to clearly define what constitutes a significant decrease in this ratio. A low FVC is defined as …
Airway obstruction is suspected when there is a decreased forced expiratory volume in one second/forced vital capacity (FEV1/FVC) …
Prevalence, risk factors, and clinical implications of preserved ratio impaired spirometry: a UK Biobank cohort analysis.
Higbee DH, Granell R, Davey Smith G, Dodd JW. Higbee DH, et al. Lancet Respir Med. 2022 Feb;10(2):149-157. doi: 10.1016/S2213-2600(21)00369-6. Epub 2021 Nov 2. Lancet Respir Med. 2022. PMID: 34739861
BACKGROUND: Preserved ratio impaired spirometry (PRISm) is defined as a FEV(1) of less than 80% predicted and a FEV(1)/forced vital capacity (FVC) ratio of 0.70 or higher. Previous research has indicated that PRISm is associated with respiratory symptoms and is a pr …
BACKGROUND: Preserved ratio impaired spirometry (PRISm) is defined as a FEV(1) of less than 80% predicted and a FEV(1)/forced vital capacity …
FEV1/FVC Severity Stages for Chronic Obstructive Pulmonary Disease.
Bhatt SP, Nakhmani A, Fortis S, Strand MJ, Silverman EK, Sciurba FC, Bodduluri S. Bhatt SP, et al. Am J Respir Crit Care Med. 2023 Sep 15;208(6):676-684. doi: 10.1164/rccm.202303-0450OC. Am J Respir Crit Care Med. 2023. PMID: 37339502
Rationale: The diagnosis of chronic obstructive pulmonary disease (COPD) is based on a low FEV(1)/FVC ratio, but the severity of COPD is classified using FEV(1)% predicted (ppFEV(1)). Objectives: To test a new severity classification scheme for COPD using FEV(1)/ …
Rationale: The diagnosis of chronic obstructive pulmonary disease (COPD) is based on a low FEV(1)/FVC ratio, but the severity …
A stepwise approach to the interpretation of pulmonary function tests.
Johnson JD, Theurer WM. Johnson JD, et al. Am Fam Physician. 2014 Mar 1;89(5):359-66. Am Fam Physician. 2014. PMID: 24695507 Free article. Review.
An obstructive defect is indicated by a low forced expiratory volume in one second/forced vital capacity (FEV1/FVC) ratio, which is defined as less than 70% or below the fifth percentile based on data from the Third National Health and Nutrition Examination Survey ( …
An obstructive defect is indicated by a low forced expiratory volume in one second/forced vital capacity (FEV1/FVC) ratio, whi …
Lifetime spirometry patterns of obstruction and restriction, and their risk factors and outcomes: a prospective cohort study.
Dharmage SC, Bui DS, Walters EH, Lowe AJ, Thompson B, Bowatte G, Thomas P, Garcia-Aymerich J, Jarvis D, Hamilton GS, Johns DP, Frith P, Senaratna CV, Idrose NS, Wood-Baker RR, Hopper J, Gurrin L, Erbas B, Washko GR, Faner R, Agusti A, Abramson MJ, Lodge CJ, Perret JL. Dharmage SC, et al. Lancet Respir Med. 2023 Mar;11(3):273-282. doi: 10.1016/S2213-2600(22)00364-2. Epub 2022 Oct 14. Lancet Respir Med. 2023. PMID: 36244396
METHODS: Using z scores from spirometry measured at ages 7, 13, 18, 45, 50, and 53 years in the Tasmanian Longitudinal Health Study (n=2422), we identified six FEV(1)/FVC ratio trajectories and five FVC trajectories via group-based trajectory modelling. ...FINDINGS: …
METHODS: Using z scores from spirometry measured at ages 7, 13, 18, 45, 50, and 53 years in the Tasmanian Longitudinal Health Study (n=2422) …
Prognostic implication of FEV1/FVC ratio for limited-stage small cell lung cancer.
Cho O, Oh YT, Chun M, Noh OK, Heo JS. Cho O, et al. J Thorac Dis. 2018 Mar;10(3):1797-1805. doi: 10.21037/jtd.2018.02.14. J Thorac Dis. 2018. PMID: 29707334 Free PMC article.
As the forced expiratory volume in 1 second (FEV1)/forced volume vital capacity (FVC) ratio is usually impaired in patients with COPD, and given that the FEV1 and FVC are not necessarily related to lung cancer development, we performed this study to test our hypothe …
As the forced expiratory volume in 1 second (FEV1)/forced volume vital capacity (FVC) ratio is usually impaired in patients wi …
The Impact of FEV1/FVC Ratio on the Clinical Outcomes in Acute Coronary Syndrome Patients Treated with Dual Anti-Platelet Agents.
Yeh CH, Chung WJ, Chen TY, Wu PJ, Tseng CH, Lee CH, Cheng CI. Yeh CH, et al. Acta Cardiol Sin. 2023 Jan;39(1):116-126. doi: 10.6515/ACS.202301_39(1).20220601A. Acta Cardiol Sin. 2023. PMID: 36685154 Free PMC article.

The receiver operating characteristic curve indicated that an FEV1/FVC ratio of 63.85% had the highest sensitivity and specificity for predicting the incidence of AE of obstructive airway disease within 1 year (p < 0.001). ...Furthermore, the FEV1/FVC r

…
The receiver operating characteristic curve indicated that an FEV1/FVC ratio of 63.85% had the highest sensitivity and specifi …
Utility of measuring FEV0.75/FVC ratio in preschoolers with uncontrolled wheezing disorder.
Nève V, Hulo S, Edmé JL, Boileau S, Baquet G, Pouessel G, Thumerelle C, Deschildre A, Matran R. Nève V, et al. Eur Respir J. 2016 Aug;48(2):420-7. doi: 10.1183/13993003.01391-2015. Epub 2016 May 26. Eur Respir J. 2016. PMID: 27230449 Free article.
This is the first study of forced expiratory volume in t s (FEVt)/forced vital capacity (FVC) ratio measurements (i.e. FEV1/FVC, FEV0.75/FVC and FEV0.5/FVC) in wheezy preschoolers in relation to disease control. ...Associations between spirometry value <LLN, dise …
This is the first study of forced expiratory volume in t s (FEVt)/forced vital capacity (FVC) ratio measurements (i.e. FEV1/FV …
An isolated reduction of the FEV3/FVC ratio is an indicator of mild lung injury.
Morris ZQ, Coz A, Starosta D. Morris ZQ, et al. Chest. 2013 Oct;144(4):1117-1123. doi: 10.1378/chest.12-2816. Chest. 2013. PMID: 23493987
BACKGROUND: The FEV3/FVC ratio is not discussed in the American Thoracic Society/European Respiratory Society (ATS/ERS) guidelines for lung function interpretation in spite of narrow confidence limits of normal and its association with smoking. We sought to determin …
BACKGROUND: The FEV3/FVC ratio is not discussed in the American Thoracic Society/European Respiratory Society (ATS/ERS) guidel …
Evaluating the FEV(1)/FVC ratio in the lower range of normality as a marker of worse clinical outcomes in asthmatic subjects without airway obstruction.
Mingotti C, Sarinho J, Stanigher K, Silva J, Roquette E, Marchi E, Ponte EV. Mingotti C, et al. Respir Med. 2020 Feb;162:105880. doi: 10.1016/j.rmed.2020.105880. Epub 2020 Jan 20. Respir Med. 2020. PMID: 32056671 Free article.
BACKGROUND: We should continually improve tools for evaluating asthma. The aim of this study was to evaluate whether the FEV(1)/FVC ratio in the lower range of normality is associated with worse outcomes in asthmatics without airway obstruction. ...We assigned indiv …
BACKGROUND: We should continually improve tools for evaluating asthma. The aim of this study was to evaluate whether the FEV(1)/FVC …
2,076 results