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Sökning: WFRF:(Hamilton Willie)

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1.
  • Rose, Peter W., et al. (författare)
  • Development of a survey instrument to investigate the primary care factors related to differences in cancer diagnosis between international jurisdictions
  • 2014
  • Ingår i: BMC Family Practice. - : BioMed Central. - 1471-2296 .- 1471-2296. ; 15, s. 1-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Survival rates following a diagnosis of cancer vary between countries. The International Cancer Benchmarking Partnership (ICBP), a collaboration between six countries with primary care led health services, was set up in 2009 to investigate the causes of these differences. Module 3 of this collaboration hypothesised that an association exists between the readiness of primary care physicians (PCP) to investigate for cancer - the 'threshold' risk level at which they investigate or refer to a specialist for consideration of possible cancer - and survival for that cancer (lung, colorectal and ovarian). We describe the development of an international survey instrument to test this hypothesis. Methods: The work was led by an academic steering group in England. They agreed that an online survey was the most pragmatic way of identifying differences between the jurisdictions. Research questions were identified through clinical experience and expert knowledge of the relevant literature. A survey comprising a set of direct questions and five clinical scenarios was developed to investigate the hypothesis. The survey content was discussed and refined concurrently and repeatedly with international partners. The survey was validated using an iterative process in England. Following validation the survey was adapted to be relevant to the health systems operating in other jurisdictions and translated into Danish, Norwegian and Swedish, and into Canadian and Australian English. Results: This work has produced a survey with face, content and cross cultural validity that will be circulated in all six countries. It could also form a benchmark for similar surveys in countries with similar health care systems. Conclusions: The vignettes could also be used as educational resources. This study is likely to impact on healthcare policy and practice in participating countries.
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2.
  • Rose, Peter W., et al. (författare)
  • Explaining variation in cancer survival between 11 jurisdictions in the International Cancer Benchmarking Partnership : a primary care vignette survey
  • 2015
  • Ingår i: BMJ Open. - : BMJ Publishing Group Ltd. - 2044-6055 .- 2044-6055. ; 5:5, s. 1-14
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: The International Cancer Benchmarking Partnership (ICBP) is a collaboration between 6 countries and 12 jurisdictions with similar primary care-led health services. This study investigates primary care physician (PCP) behaviour and systems that may contribute to the timeliness of investigating for cancer and subsequently, international survival differences. Design: A validated survey administered to PCPs via the internet set out in two parts: direct questions on primary care structure and practice relating to cancer diagnosis, and clinical vignettes, assessing management of scenarios relating to the diagnosis of lung, colorectal or ovarian cancer. Participants: 2795 PCPs in 11 jurisdictions: New South Wales and Victoria (Australia), British Columbia, Manitoba, Ontario (Canada), England, Northern Ireland, Wales (UK), Denmark, Norway and Sweden. Primary and secondary outcome measures: Analysis compared the cumulative proportion of PCPs in each jurisdiction opting to investigate or refer at each phase for each vignette with 1-year survival, and conditional 5-year survival rates for the relevant cancer and jurisdiction. Logistic regression was used to explore whether PCP characteristics or system differences in each jurisdiction affected the readiness to investigate. Results: 4 of 5 vignettes showed a statistically significant correlation (p<0.05 or better) between readiness to investigate or refer to secondary care at the first phase of each vignette and cancer survival rates for that jurisdiction. No consistent associations were found between readiness to investigate and selected PCP demographics, practice or health system variables. Conclusions: We demonstrate a correlation between the readiness of PCPs to investigate symptoms indicative of cancer and cancer survival rates, one of the first possible explanations for the variation in cancer survival between ICBP countries. No specific health system features consistently explained these findings. Some jurisdictions may consider lowering thresholds for PCPs to investigate for cancer-either directly, or by specialist referral, to improve outcomes.
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