Evidence map›Paper›PMID 29340151›Full record

ArticleMultidisciplinary respiratory medicine2018

Reference values for spirometry in elderly individuals: a cross-sectional study of different reference equations.

Joana Belo, Teresa Palmeiro, Iolanda Caires, Ana L Papoila, Marta Alves, Pedro Carreiro-Martins, Maria A Botelho, Nuno Neuparth

Abstract read
In one paragraph

Article in Multidisciplinary respiratory medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Reliability of Pulmonary Function Tests in Patients with Chronic Obstructive Pulmonary Disease.International journal of chronic obstructive pulmonary disease · 2026
    Observational
  2. Article
  3. Article
  4. Article
  5. Article
  6. Influence of Walking as Physiological Training to Improve Respiratory Parameters in the Elderly Population.International journal of environmental research and public health · 2022
    Review
  7. Article
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Joana BeloLisbon School of Health Technology, Polytechnic Institute of Lisbon, Lisbon, Portugal.
Teresa PalmeiroChronic Diseases Research Centre, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal.
Iolanda CairesChronic Diseases Research Centre, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal.
Ana L PapoilaEpidemiology and Statistics Analysis Unit, Research Centre, Centro Hospitalar de Lisboa Central, EPE, Lisbon, Portugal.
Marta AlvesEpidemiology and Statistics Analysis Unit, Research Centre, Centro Hospitalar de Lisboa Central, EPE, Lisbon, Portugal.
Pedro Carreiro-MartinsChronic Diseases Research Centre, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal.
Maria A BotelhoChronic Diseases Research Centre, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal.
Nuno NeuparthChronic Diseases Research Centre, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSpirometry is the single most important test for the evaluation of respiratory function. The results are interpreted by comparing measured data with predicted values previously obtained from a reference population. Reference equations for spirometry have been discussed previously. The aim of this study was to compare reference values based on National Health and Nutrition Assessment Survey (NHANES III), European Community of Steel and Coal (ECSC), and Global Lung Initiative (GLI) equations in an elderly sample population.

methodsSubjects from the Geriatric Study on Health Effects of Air Quality in elder care centres who met the inclusion criteria were enrolled. Spirometry was performed according to international guidelines. The forced vital capacity, forced expiratory volume in 1 s, and FEV

resultsOut of 260 elderly patients, 69.6% were women; the mean age was 83.0 ± 6.46 years with an age range of 65-95 years. The lowest %FVC and %FEV

conclusionsThe present study showed meaningful differences in the reference values, and consequently, in the results obtained using NHANES III, ECSC, and GLI reference equations. The spirometry interpretation was also influenced by the reference equations used.

Indexed as

ECSCElderlyGLINHANES IIIReference eqs.Spirometry

Identifiers

PMID29340151
PMCPMC5759804

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.