Cancelled diagnosis of airflow obstruction as percentage (vertical axis) decrease with lower FEV1 (horizontal axis) regardless of the criteria used.

Spirometric Criteria for Airway Obstruction* Use Percentage of FEV1/FVC Ratio Below the Fifth Percentile, Not < 70%

James E. Hansen
Fccp Xing-guo Sun

November 2015

Background: Current authoritative spirometry guidelines use conflicting percentage of FEV1/ FVC rati...

Characteristics of the study population.

Onno M. Mets (313831)
Pim A. de Jong (3286995)
Bram van Ginneken (403147)
Cas L. J. J. Kruitwagen (403148)
Mathias Prokop (313841)
Matthijs Oudkerk (79015)
Jan-Willem J. Lammers (101766)
Pieter Zanen (101778)

April 2013

aAirflow obstruction defined as FEV1/FVC<0.70, and classified as GOLD 1 (FEV1</su...

Detection of Upper Airway Obstruction With Spirometry Results and the Flow-Volume Loop: A Comparison of Quantitative and Visual Inspection Criteria

Ariel M Modrykamien Md
Ravindra Gudavalli Md
Kevin Mccarthy Rcpt
Xiaobo Liu Msc

August 2015

BACKGROUND: There are important gaps in our understanding of the epidemiology and diagnosis of upper...

Contribution of flow-volume curves to the detection of central airway obstruction

Liliana Barbara Perestrelo de Andrade e Raposo
Antonio Bugalho
Maria Joao Marques Gomes

June 2013

OBJECTIVE: To assess the sensitivity and specificity of flow-volume curves in detecting central air...

Lung function decline in relation to diagnostic criteria for airflow obstruction in respiratory symptomatic subjects.

Akkermans, R.P.
Berrevoets, M.A.H.
Smeele, I.J.M.
Lucas, A.E.
Thoonen, B.P.A.
Grootens-Stekelenburg, J.G.
Heijdra, Y.F.
Weel, C. van
Schermer, T.R.J.

January 2012

BACKGROUND: Current COPD guidelines advocate a fixed < 0.70 FEV1/FVC cutpoint to define airflow obst...

FEV1/FVC and FEV1 for the assessment of chronic airflow obstruction in prevalence studies: Do prediction equations need revision?

Roche, Nicolas
Dalmay, François
Perez, Thierry
Kuntz, Claude
Vergnenègre, Alain
Neukirch, Françoise
Giordanella, Jean-Pierre
Huchon, Gérard

November 2008

SummaryLittle is known on the long-term validity of reference equations used in the calculation of F...

New Spirometry Indices for Detecting Mild Airflow Obstruction.

Bhatt, Surya P
Bhakta, Nirav R
Wilson, Carla G
Cooper, Christopher B
Barjaktarevic, Igor
Bodduluri, Sandeep
Kim, Young-Il
Eberlein, Michael
Woodruff, Prescott G
Sciurba, Frank C
Castaldi, Peter J
Han, MeiLan K
Dransfield, Mark T
Nakhmani, Arie

November 2018

The diagnosis of chronic obstructive pulmonary disease (COPD) relies on demonstration of airflow obs...

Prevalences of airflow obstruction, frequency of inconsistent longitudinal diagnosis and hazard ratio depending on the definition.

Rogelio Perez-Padilla (4857049)
Fernando C. Wehrmeister (440330)
Maria Montes de Oca (440332)
Maria Victorina Lopez (712913)
Jose R. Jardim (440335)
Adriana Muino (5662792)
Gonzalo Valdivia (440336)
Julio Pertuze (712914)
Ana Maria B. Menezes (440338)

March 2015

COPD 1 and COPD 2 = sample prevalence (as percentage) of COPD in the first and second evaluation ...

Comparison of spirometric

September 2016

thresholds in diagnosing smoking-related airflow obstruction The recent paper in Thorax by Bhatt et ...

Underestimation of airflow obstruction among young adults using FEV1/FVC <70% as a fixed cut-off: a longitudinal evaluation of clinical and functional outcomes.

Cerveri I
CORSICO, ANGELO GUIDO
Accordini S
NINIANO, ROSANNA
Ansaldo E
Antó JM
Künzli N
Janson C
Sunyer J
Jarvis D
Svanes C
Gislason T
Heinrich J
Schouten JP
Wjst M
Burney P
de Marco R.

January 2008

Background: Early detection of airflow obstruction is particularly important among young adults beca...

The proportion of patients with EGFR mutations or ALK rearrangements decreased with the severity of airflow obstruction, as assessed by the GOLD stage.

Jeong Uk Lim (824353)
Chang Dong Yeo (824354)
Chin Kook Rhee (586373)
Yong Hyun Kim (824355)
Chan Kwon Park (500498)
Ju Sang Kim (824356)
Jin Woo Kim (16905)
Sang Haak Lee (669846)
Seung Joon Kim (824357)
Hyoung Kyu Yoon (824358)
Tae-Jung Kim (824359)
Kyo Young Lee (824360)

November 2015

(A) EGFR mutations and (B) ALK rearrangements. ap-values were calculated by lin...

Asthmatics show airflow obstruction compared to healthy controls.

Weiling Xu (765308)
Nayra Cardenes (5664256)
Catherine Corey (765309)
Serpil C. Erzurum (352157)
Sruti Shiva (284720)

July 2015

Airflow obstruction as measured by (A) FEV1% predicted and (B) FEV1/FVC in asthmatic individuals ...

Underestimation of airflow obstruction among young adults using FEV1/FVC <70% as a fixed cut-off: A longitudinal evaluation of clinical and functional outcomes.

Cerveri, I.
Corsico, A.G.
Accordini, S.
Niniano, R.
Ansaldo, E.
Antò, J.M.
Künzli, N.
Janson, C.
Sunyer, J.
Jarvis, D.
Svanes, C.
Gislason, T.
Heinrich, J.
Schouten, J.P.
Wjst, M.
Burney, P.
de Marco, R.

January 2008

Early detection of airflow obstruction is particularly important among young adults because they are...

Classifier specificity by level of airflow obstruction.

Rachel M. Ostroff (130300)
William L. Bigbee (195362)
Wilbur Franklin (359066)
Larry Gold (171759)
Mike Mehan (235823)
York E. Miller (359068)
Harvey I. Pass (130345)
William N. Rom (150278)
Jill M. Siegfried (359072)
Alex Stewart (130306)
Jeffrey J. Walker (171756)
Joel L. Weissfeld (221615)
Stephen Williams (231988)
Dom Zichi (200880)
Edward N. Brody (130313)

February 2013

§Spirometric classification of airflow obstruction based on GOLD staging <a href="http://www.plos...

Impact of switching to new spirometric reference equations on severity staging of airflow obstruction in COPD: a crosssectional observational study in primary care

Sluga, R.
Smeele, I.J.M.
Lucas, A.E.
Thoonen, B.P.A.
Grootens-Stekelenburg, J.G.
Heijdra, Y.F.
Schermer, T.R.J.

January 2014

Item does not contain fulltextBACKGROUND: Severity of airflow obstruction in chronic obstructive pul...

Spirometric Criteria for Airway Obstruction* Use Percentage of FEV1/FVC Ratio Below the Fifth Percentile, Not < 70%

James E. Hansen
Fccp Xing-guo Sun

November 2015

Background: Current authoritative spirometry guidelines use conflicting percentage of FEV1/ FVC rati...

Characteristics of the study population.

Onno M. Mets (313831)
Pim A. de Jong (3286995)
Bram van Ginneken (403147)
Cas L. J. J. Kruitwagen (403148)
Mathias Prokop (313841)
Matthijs Oudkerk (79015)
Jan-Willem J. Lammers (101766)
Pieter Zanen (101778)

April 2013

aAirflow obstruction defined as FEV1/FVC<0.70, and classified as GOLD 1 (FEV1</su...

Detection of Upper Airway Obstruction With Spirometry Results and the Flow-Volume Loop: A Comparison of Quantitative and Visual Inspection Criteria

Ariel M Modrykamien Md
Ravindra Gudavalli Md
Kevin Mccarthy Rcpt
Xiaobo Liu Msc

August 2015

BACKGROUND: There are important gaps in our understanding of the epidemiology and diagnosis of upper...

Contribution of flow-volume curves to the detection of central airway obstruction

Liliana Barbara Perestrelo de Andrade e Raposo
Antonio Bugalho
Maria Joao Marques Gomes

June 2013

OBJECTIVE: To assess the sensitivity and specificity of flow-volume curves in detecting central air...

Lung function decline in relation to diagnostic criteria for airflow obstruction in respiratory symptomatic subjects.

Akkermans, R.P.
Berrevoets, M.A.H.
Smeele, I.J.M.
Lucas, A.E.
Thoonen, B.P.A.
Grootens-Stekelenburg, J.G.
Heijdra, Y.F.
Weel, C. van
Schermer, T.R.J.

January 2012

BACKGROUND: Current COPD guidelines advocate a fixed < 0.70 FEV1/FVC cutpoint to define airflow obst...

FEV1/FVC and FEV1 for the assessment of chronic airflow obstruction in prevalence studies: Do prediction equations need revision?

Roche, Nicolas
Dalmay, François
Perez, Thierry
Kuntz, Claude
Vergnenègre, Alain
Neukirch, Françoise
Giordanella, Jean-Pierre
Huchon, Gérard

November 2008

SummaryLittle is known on the long-term validity of reference equations used in the calculation of F...

New Spirometry Indices for Detecting Mild Airflow Obstruction.

Bhatt, Surya P
Bhakta, Nirav R
Wilson, Carla G
Cooper, Christopher B
Barjaktarevic, Igor
Bodduluri, Sandeep
Kim, Young-Il
Eberlein, Michael
Woodruff, Prescott G
Sciurba, Frank C
Castaldi, Peter J
Han, MeiLan K
Dransfield, Mark T
Nakhmani, Arie

November 2018

The diagnosis of chronic obstructive pulmonary disease (COPD) relies on demonstration of airflow obs...

Prevalences of airflow obstruction, frequency of inconsistent longitudinal diagnosis and hazard ratio depending on the definition.

Rogelio Perez-Padilla (4857049)
Fernando C. Wehrmeister (440330)
Maria Montes de Oca (440332)
Maria Victorina Lopez (712913)
Jose R. Jardim (440335)
Adriana Muino (5662792)
Gonzalo Valdivia (440336)
Julio Pertuze (712914)
Ana Maria B. Menezes (440338)

March 2015

COPD 1 and COPD 2 = sample prevalence (as percentage) of COPD in the first and second evaluation ...

Comparison of spirometric

September 2016

thresholds in diagnosing smoking-related airflow obstruction The recent paper in Thorax by Bhatt et ...

Underestimation of airflow obstruction among young adults using FEV1/FVC <70% as a fixed cut-off: a longitudinal evaluation of clinical and functional outcomes.

Cerveri I
CORSICO, ANGELO GUIDO
Accordini S
NINIANO, ROSANNA
Ansaldo E
Antó JM
Künzli N
Janson C
Sunyer J
Jarvis D
Svanes C
Gislason T
Heinrich J
Schouten JP
Wjst M
Burney P
de Marco R.

January 2008

Background: Early detection of airflow obstruction is particularly important among young adults beca...

The proportion of patients with EGFR mutations or ALK rearrangements decreased with the severity of airflow obstruction, as assessed by the GOLD stage.

Jeong Uk Lim (824353)
Chang Dong Yeo (824354)
Chin Kook Rhee (586373)
Yong Hyun Kim (824355)
Chan Kwon Park (500498)
Ju Sang Kim (824356)
Jin Woo Kim (16905)
Sang Haak Lee (669846)
Seung Joon Kim (824357)
Hyoung Kyu Yoon (824358)
Tae-Jung Kim (824359)
Kyo Young Lee (824360)

November 2015

(A) EGFR mutations and (B) ALK rearrangements. ap-values were calculated by lin...

Asthmatics show airflow obstruction compared to healthy controls.

Weiling Xu (765308)
Nayra Cardenes (5664256)
Catherine Corey (765309)
Serpil C. Erzurum (352157)
Sruti Shiva (284720)

July 2015

Airflow obstruction as measured by (A) FEV1% predicted and (B) FEV1/FVC in asthmatic individuals ...

Underestimation of airflow obstruction among young adults using FEV1/FVC <70% as a fixed cut-off: A longitudinal evaluation of clinical and functional outcomes.

Cerveri, I.
Corsico, A.G.
Accordini, S.
Niniano, R.
Ansaldo, E.
Antò, J.M.
Künzli, N.
Janson, C.
Sunyer, J.
Jarvis, D.
Svanes, C.
Gislason, T.
Heinrich, J.
Schouten, J.P.
Wjst, M.
Burney, P.
de Marco, R.

January 2008

Early detection of airflow obstruction is particularly important among young adults because they are...

Classifier specificity by level of airflow obstruction.

Rachel M. Ostroff (130300)
William L. Bigbee (195362)
Wilbur Franklin (359066)
Larry Gold (171759)
Mike Mehan (235823)
York E. Miller (359068)
Harvey I. Pass (130345)
William N. Rom (150278)
Jill M. Siegfried (359072)
Alex Stewart (130306)
Jeffrey J. Walker (171756)
Joel L. Weissfeld (221615)
Stephen Williams (231988)
Dom Zichi (200880)
Edward N. Brody (130313)

February 2013

§Spirometric classification of airflow obstruction based on GOLD staging <a href="http://www.plos...

Impact of switching to new spirometric reference equations on severity staging of airflow obstruction in COPD: a crosssectional observational study in primary care

Sluga, R.
Smeele, I.J.M.
Lucas, A.E.
Thoonen, B.P.A.
Grootens-Stekelenburg, J.G.
Heijdra, Y.F.
Schermer, T.R.J.

January 2014

Item does not contain fulltextBACKGROUND: Severity of airflow obstruction in chronic obstructive pul...

Spirometric Criteria for Airway Obstruction* Use Percentage of FEV1/FVC Ratio Below the Fifth Percentile, Not < 70%

James E. Hansen
Fccp Xing-guo Sun

November 2015

Background: Current authoritative spirometry guidelines use conflicting percentage of FEV1/ FVC rati...

Characteristics of the study population.

Onno M. Mets (313831)
Pim A. de Jong (3286995)
Bram van Ginneken (403147)
Cas L. J. J. Kruitwagen (403148)
Mathias Prokop (313841)
Matthijs Oudkerk (79015)
Jan-Willem J. Lammers (101766)
Pieter Zanen (101778)

April 2013

aAirflow obstruction defined as FEV1/FVC<0.70, and classified as GOLD 1 (FEV1</su...

Detection of Upper Airway Obstruction With Spirometry Results and the Flow-Volume Loop: A Comparison of Quantitative and Visual Inspection Criteria

Ariel M Modrykamien Md
Ravindra Gudavalli Md
Kevin Mccarthy Rcpt
Xiaobo Liu Msc

August 2015

BACKGROUND: There are important gaps in our understanding of the epidemiology and diagnosis of upper...

Cancelled diagnosis of airflow obstruction as percentage (vertical axis) decrease with lower FEV<sub>1</sub> (horizontal axis) regardless of the criteria used.

Abstract

Extracted data

Cancelled diagnosis of airflow obstruction as percentage (vertical axis) decrease with lower FEV<sub>1</sub> (horizontal axis) regardless of the criteria used.

Abstract

Extracted data

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