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Agreement between patient reported outcomes and clinical reports after radical prostatectomy - A prospective longitudinal study

Bock, David; Angenete, Eva; Bjartell, Anders LU ; Hugosson, Jonas; Steineck, Gunnar; Walming, Sofie; Wiklund, Peter LU and Haglind, Eva (2019) In BMC Urology 19(1).
Abstract

Background: In clinical research information can be retrieved through various sources. The aim is to evaluate the agreement between answers in patient questionnaires and clinical reports in a study of patients after radical prostatectomy and patient characteristics associated with agreement between these two data sources. Methods: In the prospective non-randomized longitudinal trial LAParoscopic Prostatectomy Robot Open (LAPPRO) 4003 patients undergoing radical prostatectomy at 14 centers in Sweden were followed. Analysis of agreement is made using a variety of methods, including the recently proposed Gwet's AC1, which enables us to handle the limitations of Cohen's Kappa where agreement depends on the underlying prevalence. Results:... (More)

Background: In clinical research information can be retrieved through various sources. The aim is to evaluate the agreement between answers in patient questionnaires and clinical reports in a study of patients after radical prostatectomy and patient characteristics associated with agreement between these two data sources. Methods: In the prospective non-randomized longitudinal trial LAParoscopic Prostatectomy Robot Open (LAPPRO) 4003 patients undergoing radical prostatectomy at 14 centers in Sweden were followed. Analysis of agreement is made using a variety of methods, including the recently proposed Gwet's AC1, which enables us to handle the limitations of Cohen's Kappa where agreement depends on the underlying prevalence. Results: The incidence of postoperative events was consistently reported higher by the patient compared with the clinical reports for all outcomes. Agreement regarding the absence of events (negative agreement) was consistently higher than agreement regarding events (positive agreement) for all outcome variables. Overall impression of agreement depends on which measure used for the assessment. The previously reported desirable properties of Gwet's AC1 as well as the patient characteristics associated with agreement were confirmed. Conclusion: The differences in incidence and agreement across the different variables and time points highlight the importance of carefully assessing which source of information to use in clinical research. Trial registration: ISRCTN06393679 (www.isrctn.com). Date of registration: 07/02/2008. Retrospectively registered.

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author
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Agreement, Case-report form, Prostate cancer, Prostatectomy, Questionnaire
in
BMC Urology
volume
19
issue
1
publisher
BioMed Central
external identifiers
  • scopus:85065551071
ISSN
1471-2490
DOI
10.1186/s12894-019-0467-3
language
English
LU publication?
no
id
fae6a555-bd74-4c8d-8bf1-b9f43474635a
date added to LUP
2019-05-22 13:22:10
date last changed
2019-06-26 11:20:54
@article{fae6a555-bd74-4c8d-8bf1-b9f43474635a,
  abstract     = {<p>Background: In clinical research information can be retrieved through various sources. The aim is to evaluate the agreement between answers in patient questionnaires and clinical reports in a study of patients after radical prostatectomy and patient characteristics associated with agreement between these two data sources. Methods: In the prospective non-randomized longitudinal trial LAParoscopic Prostatectomy Robot Open (LAPPRO) 4003 patients undergoing radical prostatectomy at 14 centers in Sweden were followed. Analysis of agreement is made using a variety of methods, including the recently proposed Gwet's AC1, which enables us to handle the limitations of Cohen's Kappa where agreement depends on the underlying prevalence. Results: The incidence of postoperative events was consistently reported higher by the patient compared with the clinical reports for all outcomes. Agreement regarding the absence of events (negative agreement) was consistently higher than agreement regarding events (positive agreement) for all outcome variables. Overall impression of agreement depends on which measure used for the assessment. The previously reported desirable properties of Gwet's AC1 as well as the patient characteristics associated with agreement were confirmed. Conclusion: The differences in incidence and agreement across the different variables and time points highlight the importance of carefully assessing which source of information to use in clinical research. Trial registration: ISRCTN06393679 (www.isrctn.com). Date of registration: 07/02/2008. Retrospectively registered.</p>},
  articleno    = {35},
  author       = {Bock, David and Angenete, Eva and Bjartell, Anders and Hugosson, Jonas and Steineck, Gunnar and Walming, Sofie and Wiklund, Peter and Haglind, Eva},
  issn         = {1471-2490},
  keyword      = {Agreement,Case-report form,Prostate cancer,Prostatectomy,Questionnaire},
  language     = {eng},
  month        = {05},
  number       = {1},
  publisher    = {BioMed Central},
  series       = {BMC Urology},
  title        = {Agreement between patient reported outcomes and clinical reports after radical prostatectomy - A prospective longitudinal study},
  url          = {http://dx.doi.org/10.1186/s12894-019-0467-3},
  volume       = {19},
  year         = {2019},
}