Evidence map›Paper›PMID 26047485›Full record

ArticlePloS one2015

Vitamin D Deficiency and Insufficiency in Hospitalized COPD Patients.

Evgeni Mekov, Yanina Slavova, Adelina Tsakova, Marianka Genova, Dimitar Kostadinov, Delcho Minchev, Dora Marinova, Maya Tafradjiiska

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.4field-weighted citation impact, top 13% of its field
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

16 citing papers in PubMed, 40 citations in OpenAlex.

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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 at 1 institution in 1 country.

Evgeni MekovClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Yanina SlavovaClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Adelina TsakovaCentral Clinical Laboratory, UMHAT 'Alexandrovska', Sofia, Bulgaria.
Marianka GenovaCentral Clinical Laboratory, UMHAT 'Alexandrovska', Sofia, Bulgaria.
Dimitar KostadinovClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Delcho MinchevClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Dora MarinovaClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Maya TafradjiiskaClinical Center for Pulmonary Diseases, SHATPD 'Sveta Sofia', Sofia, Bulgaria.
Alexandrovska Hospital · BG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introduction31-77% of patients with COPD have vitamin D deficiency and insufficiency, with results being highly variable between studies. Vitamin D may also correlate with disease characteristics.

aimTo find out the prevalence of vitamin D deficiency and insufficiency in patients with COPD admitted for exacerbation and a risk factors for lower vitamin D levels among comorbidities and COPD characteristics.

methods152 patients were studied for vitamin D serum levels (25(OH)D). All of them were also assessed for diabetes mellitus (DM) and metabolic syndrome (MS). Data were gathered also for smoking status and exacerbations in last year. All patients completed CAT and mMRC questionnaires and underwent spirometry.

resultsA total of 83,6% of patients have reduced levels of vitamin D. 42,8% (65/152) have vitamin D insufficiency (defined as 25-50 nmol/L) and 40,8% (62/152) have vitamin D deficiency (<25 nmol/L). The mean level of 25(OH)D for all patients is 31,97 nmol/L (95%CI 29,12-34,68). Vitamin D deficiency and insufficiency are more prevalent in females vs. males (97,7 vs 77,8%; p = 0.003). The prevalence and severity of vitamin D deficiency and insufficiency in this study is significantly higher when compared to an unselected Bulgarian population (prevalence 75,8%; mean level 38,75 nmol/L). Vitamin D levels correlate with quality of life (measured by the mMRC scale) and lung function (FVC, FEV1, FEV6, FEF2575, FEV3, but not with FEV1/FVC ratio and PEF), it does not correlate with the presence of arterial hypertension, DM, MS and number of moderate, severe and total exacerbations. Vitamin D deficiency is a risk factor for longer hospital stay.

conclusionsThe patients with COPD admitted for exacerbation are a risk group for vitamin D deficiency and insufficiency, which is associated with worse disease characteristics.

Indexed as

AdultAgedAged, 80 and overBulgariaComorbidityFemaleHospitalizationHumansLength of StayMaleMiddle AgedPulmonary Disease, Chronic ObstructiveQuality of LifeRisk FactorsVitamin DVitamin D DeficiencyVitamin D

Identifiers

PMID26047485
PMCPMC4457885
OpenAlexW598573635

What OpenQuestion holds

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Registered trials

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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.