Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information?

Henrik Stovring, Dorte Gyrd-Hansen, Ivar S Kristiansen, Jesper B Nielsen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Udgivelsesdato: 2008
OriginalsprogEngelsk
TidsskriftBMC Medical Informatics and Decision Making
Vol/bind8
Sider (fra-til)25
Antal sider1
ISSN1472-6947
DOI
StatusUdgivet - 1. jan. 2008

Fingeraftryk

Numbers Needed To Treat
Denmark
Risk Reduction Behavior
Uncertainty
Confidence Intervals

Citer dette

@article{dbabe830a78c11de9743000ea68e967b,
title = "Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information?",
abstract = "BACKGROUND: There is uncertainty about how GPs should convey information about treatment effectiveness to their patients in the context of cardiovascular disease. Hence we study the concordance of decisions based on one of four single information formats for treatment effectiveness with subsequent decisions based on all four formats combined with a pictorial representation. METHODS: A randomized study comprising 1,169 subjects aged 40-59 in Odense, Denmark. Subjects were randomized to receive information in terms of absolute risk reduction (ARR), relative risk reduction (RRR), number needed to treat (NNT), or prolongation of life (POL) without heart attack, and were asked whether they would consent to treatment. Subsequently the same information was conveyed with all four formats jointly accompanied by a pictorial presentation of treatment effectiveness. Again, subjects should consider consent to treatment. RESULTS: After being informed about all four formats, 52{\%}-79{\%} of the respondents consented to treatment, depending on level of effectiveness and initial information format. Overall, ARR gave highest concordance, 94{\%} (95{\%} confidence interval (91{\%}; 97{\%})) between initial and final decision, but ARR was not statistically superior to the other formats. CONCLUSION: Decisions based on ARR had the best concordance with decisions based on all four formats and pictorial representation, but the difference in concordance between the four formats was small, and it is unclear whether respondents fully understood the information they received.",
keywords = "Audiovisual Aids, Cardiovascular Diseases, Chronic Disease, Communication, Family Practice, Humans, Patient Education as Topic, Risk",
author = "Henrik Stovring and Dorte Gyrd-Hansen and Kristiansen, {Ivar S} and Nielsen, {Jesper B}",
year = "2008",
month = "1",
day = "1",
doi = "10.1186/1472-6947-8-25",
language = "English",
volume = "8",
pages = "25",
journal = "B M C Medical Informatics and Decision Making",
issn = "1472-6947",
publisher = "BioMed Central",

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Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information? / Stovring, Henrik; Gyrd-Hansen, Dorte; Kristiansen, Ivar S; Nielsen, Jesper B.

I: BMC Medical Informatics and Decision Making, Bind 8, 01.01.2008, s. 25.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information?

AU - Stovring, Henrik

AU - Gyrd-Hansen, Dorte

AU - Kristiansen, Ivar S

AU - Nielsen, Jesper B

PY - 2008/1/1

Y1 - 2008/1/1

N2 - BACKGROUND: There is uncertainty about how GPs should convey information about treatment effectiveness to their patients in the context of cardiovascular disease. Hence we study the concordance of decisions based on one of four single information formats for treatment effectiveness with subsequent decisions based on all four formats combined with a pictorial representation. METHODS: A randomized study comprising 1,169 subjects aged 40-59 in Odense, Denmark. Subjects were randomized to receive information in terms of absolute risk reduction (ARR), relative risk reduction (RRR), number needed to treat (NNT), or prolongation of life (POL) without heart attack, and were asked whether they would consent to treatment. Subsequently the same information was conveyed with all four formats jointly accompanied by a pictorial presentation of treatment effectiveness. Again, subjects should consider consent to treatment. RESULTS: After being informed about all four formats, 52%-79% of the respondents consented to treatment, depending on level of effectiveness and initial information format. Overall, ARR gave highest concordance, 94% (95% confidence interval (91%; 97%)) between initial and final decision, but ARR was not statistically superior to the other formats. CONCLUSION: Decisions based on ARR had the best concordance with decisions based on all four formats and pictorial representation, but the difference in concordance between the four formats was small, and it is unclear whether respondents fully understood the information they received.

AB - BACKGROUND: There is uncertainty about how GPs should convey information about treatment effectiveness to their patients in the context of cardiovascular disease. Hence we study the concordance of decisions based on one of four single information formats for treatment effectiveness with subsequent decisions based on all four formats combined with a pictorial representation. METHODS: A randomized study comprising 1,169 subjects aged 40-59 in Odense, Denmark. Subjects were randomized to receive information in terms of absolute risk reduction (ARR), relative risk reduction (RRR), number needed to treat (NNT), or prolongation of life (POL) without heart attack, and were asked whether they would consent to treatment. Subsequently the same information was conveyed with all four formats jointly accompanied by a pictorial presentation of treatment effectiveness. Again, subjects should consider consent to treatment. RESULTS: After being informed about all four formats, 52%-79% of the respondents consented to treatment, depending on level of effectiveness and initial information format. Overall, ARR gave highest concordance, 94% (95% confidence interval (91%; 97%)) between initial and final decision, but ARR was not statistically superior to the other formats. CONCLUSION: Decisions based on ARR had the best concordance with decisions based on all four formats and pictorial representation, but the difference in concordance between the four formats was small, and it is unclear whether respondents fully understood the information they received.

KW - Audiovisual Aids

KW - Cardiovascular Diseases

KW - Chronic Disease

KW - Communication

KW - Family Practice

KW - Humans

KW - Patient Education as Topic

KW - Risk

U2 - 10.1186/1472-6947-8-25

DO - 10.1186/1472-6947-8-25

M3 - Journal article

C2 - 18565218

VL - 8

SP - 25

JO - B M C Medical Informatics and Decision Making

JF - B M C Medical Informatics and Decision Making

SN - 1472-6947

ER -