Evidence map›Paper›PMID 34616500›Full record

ArticleThe annals of applied statistics2021

Identifying the Recurrence of Sleep Apnea Using A Harmonic Hidden Markov Model.

Beniamino Hadj-Amar, Bärbel Finkenstädt, Mark Fiecas, Robert Huckstepp

Abstract read
In one paragraph

Article in The annals of applied statistics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

4 authors.

Beniamino Hadj-AmarDepartment of Statistics, University of Warwick.
Bärbel FinkenstädtDepartment of Statistics, University of Warwick.
Mark FiecasSchool of Public Health, Division of Biostatistics, University of Minnesota.
Robert HucksteppSchool of Life Sciences, University of Warwick.

Funding

Medical Research Council MC_PC_15070
6 · The paper itself

Abstract

We propose to model time-varying periodic and oscillatory processes by means of a hidden Markov model where the states are defined through the spectral properties of a periodic regime. The number of states is unknown along with the relevant periodicities, the role and number of which may vary across states. We address this inference problem by a Bayesian nonparametric hidden Markov model assuming a sticky hierarchical Dirichlet process for the switching dynamics between different states while the periodicities characterizing each state are explored by means of a trans-dimensional Markov chain Monte Carlo sampling step. We develop the full Bayesian inference algorithm and illustrate the use of our proposed methodology for different simulation studies as well as an application related to respiratory research which focuses on the detection of apnea instances in human breathing traces.

Indexed as

Bayesian Non-parametricsHierarchical Dirichlet processReversible-Jump MCMCSleep ApneaTime-Varying Frequencies

Identifiers

PMID34616500
PMCPMC7611772

What OpenQuestion holds

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Registered trials

None linked

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.