Student or educator? Sign up with your school email and get 6 months of Pro free.
Cited by 386

The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

Association between Functional Small Airway Disease and FEV 1 Decline in Chronic Obstructive Pulmonary Disease

Open access
Bhatt, Surya P., Soler, Xavier, Wang, Xin, Murray, Susan, Anzueto, Antonio R., Beaty, Terri H., Boriek, Aladin M., Casaburi, Richard, Criner, Gerard J., Diaz, Alejandro A., Dransfield, Mark T., Curran-Everett, Douglas, Galbán, Craig J., Hoffman, Eric A., Hogg, James C., Kazerooni, Ella A., Kim, Victor, Kinney, Gregory L., Lagstein, Amir, Lynch, David A., Make, Barry J., Martinez, Fernando J., Ramsdell, Joe W., Reddy, Rishindra, Ross, Brian D., Rossiter, Harry B., Steiner, Robert M., Strand, Matthew J., van Beek, Edwin J. R., Wan, Emily S., Washko, George R., Wells, J. Michael, Wendt, Chris H., Wise, Robert A., Silverman, Edwin K., Crapo, James D., Bowler, Russell P., Han, MeiLan K.·2016·American Journal of Respiratory and Critical Care Medicine

Abstract

RATIONALE: The small conducting airways are the major site of airflow obstruction in chronic obstructive pulmonary disease and may precede emphysema development. OBJECTIVES: We hypothesized a novel computed tomography (CT) biomarker of small airway disease predicts FEV1 decline. METHODS: We analyzed 1,508 current and former smokers from COPDGene with linear regression to assess predictors of change in FEV1 (ml/yr) over 5 years. Separate models for subjects without and with airflow obstruction were generated using baseline clinical and physiologic predictors in addition to two novel CT metrics created by parametric response mapping (PRM), a technique pairing inspiratory and expiratory CT images to define emphysema (PRM(emph)) and functional small airways disease (PRM(fSAD)), a measure of nonemphysematous air trapping. MEASUREMENTS AND MAIN RESULTS: Mean (SD) rate of FEV1 decline in ml/yr for GOLD (Global Initiative for Chronic Obstructive Lung Disease) 0-4 was as follows: 41.8 (47.7), 53.8 (57.1), 45.6 (61.1), 31.6 (43.6), and 5.1 (35.8), respectively (trend test for grades 1-4; P < 0.001). In multivariable linear regression, for participants without airflow obstruction, PRM(fSAD) but not PRM(emph) was associated with FEV1 decline (P < 0.001). In GOLD 1-4 participants, both PRM(fSAD) and PRM(emph) were associated with FEV1 decline (P < 0.001 and P = 0.001, respectively). Based on the model, the proportional contribution of the two CT metrics to FEV1 decline, relative to each other, was 87% versus 13% and 68% versus 32% for PRM(fSAD) and PRM(emph) in GOLD 1/2 and 3/4, respectively. CONCLUSIONS: CT-assessed functional small airway disease and emphysema are associated with FEV1 decline, but the association with functional small airway disease has greatest importance in mild-to-moderate stage chronic obstructive pulmonary disease where the rate of FEV1 decline is the greatest. Clinical trial registered with www.clinicaltrials.gov (NCT 00608764).

Overview

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1164/rccm.201511-2219oc

Cites

20 of 20 references verified0 citation errors · 0 not checkable

Statistics

Verification

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Citations

Cites

Show all 20 references

Cited by

See all 386

Metadata

Authors
Bhatt, S. P., Soler, X., Wang, X., Murray, S., Anzueto, A. R., Beaty, T. H., Boriek, A. M., Casaburi, R., Criner, G. J., Diaz, A. A., Dransfield, M. T., Curran-Everett, D., Galbán, C. J., Hoffman, E. A., Hogg, J. C., Kazerooni, E. A., Kim, V., Kinney, G. L., Lagstein, A., Lynch, D. A., Make, B. J., Martinez, F. J., Ramsdell, J. W., Reddy, R., Ross, B. D., Rossiter, H. B., Steiner, R. M., Strand, M. J., van Beek, E. J. R., Wan, E. S., Washko, G. R., Wells, J. M., Wendt, C. H., Wise, R. A., Silverman, E. K., Crapo, J. D., Bowler, R. P., & Han, M. K.
Venue
American Journal of Respiratory and Critical Care Medicine
Published
2016-07-15
Volume
194
Issue
2
Pages
178-184
ISSN
  • 1073-449X (ISSN-L)
  • 1535-4970
OpenAlex
W2257628484
Cited by
386
References
20
FWCI
33.63
Type
journal article
Language
en
Open access
green

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review

How to cite

Cite CoChat for the checks on this page, and the paper for its own findings.

This page
CoChat. (2026). Citation check: Association between Functional Small Airway Disease and FEV 1 Decline in Chronic Obstructive Pulmonary Disease. https://app.cochat.ai/papers/10.1164/rccm.201511-2219oc
The paper
Bhatt, S. P., Soler, X., Wang, X., Murray, S., Anzueto, A. R., Beaty, T. H., Boriek, A. M., Casaburi, R., Criner, G. J., Diaz, A. A., Dransfield, M. T., Curran-Everett, D., Galbán, C. J., Hoffman, E. A., Hogg, J. C., Kazerooni, E. A., Kim, V., Kinney, G. L., Lagstein, A., . . . Han, M. K. (2016). Association between Functional Small Airway Disease and FEV 1 Decline in Chronic Obstructive Pulmonary Disease. American Journal of Respiratory and Critical Care Medicine. https://doi.org/10.1164/rccm.201511-2219oc

Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.