Evidence map›Paper›PMID 34018486›Full record

Observational studyHealth technology assessment (Winchester, England)2021

Prognostic models of survival in patients with advanced incurable cancer: the PiPS2 observational study.

Patrick Stone, Anastasia Kalpakidou, Chris Todd, Jane Griffiths, Vaughan Keeley, Karen Spencer, Peter Buckle, Dori-Anne Finlay, Victoria Vickerstaff, Rumana Z Omar

Abstract readMulticenter StudyObservational Study
In one paragraph

Observational study in Health technology assessment (Winchester, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 2 pooled it
–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

12 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Guideline
  3. Article
  4. Article
  5. Article
  6. Observational
  7. Review
  8. Article
  9. Article
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  11. Observational
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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

10 authors.

Patrick StoneMarie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK.ORCID 0000-0002-5765-9047
Anastasia KalpakidouMarie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK.ORCID 0000-0001-9453-9717
Chris ToddSchool of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.ORCID 0000-0001-6645-4505
Jane GriffithsSchool of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.ORCID 0000-0002-6674-6361
Vaughan KeeleyPalliative Medicine Department, Derby Teaching Hospitals NHS Foundation Trust, Derby, UK.ORCID 0000-0002-3004-2821
Karen SpencerSchool of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.ORCID 0000-0003-2038-2600
Peter BuckleMarie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK.ORCID 0000-0002-3985-2441
Dori-Anne FinlayMarie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK.ORCID 0000-0001-7979-8251
Victoria VickerstaffMarie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK.ORCID 0000-0002-3119-670X
Rumana Z OmarDepartment of Statistical Science, University College London, London, UK.ORCID 0000-0003-1483-1932

Funding

Department of Health 13/20/01Marie Curie MCCC-FCH-18-U
6 · The paper itself

Abstract

backgroundThe Prognosis in Palliative care Study (PiPS) prognostic survival models predict survival in patients with incurable cancer. PiPS-A (Prognosis in Palliative care Study - All), which involved clinical observations only, and PiPS-B (Prognosis in Palliative care Study - Blood), which additionally required blood test results, consist of 14- and 56-day models that combine to create survival risk categories: 'days', 'weeks' and 'months+'.

objectivesThe primary objectives were to compare PIPS-B risk categories against agreed multiprofessional estimates of survival and to validate PiPS-A and PiPS-B. The secondary objectives were to validate other prognostic models, to assess the acceptability of the models to patients, carers and health-care professionals and to identify barriers to and facilitators of clinical use.

designThis was a national, multicentre, prospective, observational, cohort study with a nested qualitative substudy using interviews with patients, carers and health-care professionals.

settingCommunity, hospital and hospice palliative care services across England and Wales.

participantsFor the validation study, the participants were adults with incurable cancer, with or without capacity to consent, who had been recently referred to palliative care services and had sufficient English language. For the qualitative substudy, a subset of participants in the validation study took part, along with informal carers, patients who declined to participate in the main study and health-care professionals.

main outcome measuresFor the validation study, the primary outcomes were survival, clinical prediction of survival and PiPS-B risk category predictions. The secondary outcomes were predictions of PiPS-A and other prognostic models. For the qualitative substudy, the main outcomes were participants' views about prognostication and the use of prognostic models.

resultsFor the validation study, 1833 participants were recruited. PiPS-B risk categories were as accurate as agreed multiprofessional estimates of survival (61%; LIMITATIONS: The results may not be generalisable to other populations.

conclusionsPiPS-B risk categories are as accurate as agreed multiprofessional estimates of survival. PiPS-A categories are less accurate. Patients, carers and health-care professionals regard PiPS as potentially helpful in clinical practice. FUTURE WORK: A study to evaluate the impact of introducing PiPS into routine clinical practice is needed.

trial registrationCurrent Controlled Trials ISRCTN13688211.

fundingThis project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in

Indexed as

CaregiversNeoplasmsAdultCohort StudiesHumansPrognosisProspective StudiesCAREGIVERSDECISION-MAKINGHOSPICESNEOPLASMSPALLIATIVE CAREPROGNOSISPROSPECTIVE STUDIESQUALITATIVE RESEARCH

Identifiers

PMID34018486
PMCPMC8182445

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.