Cancer diagnosed by emergency admission in England: an observational study using the general practice research database. Tsang, C., Bottle, A., Majeed, A., & Aylin, P. BMC health services research, 13:308, 2013.
doi  abstract   bibtex   
BACKGROUND: Patients diagnosed with cancer by the emergency route often have more advanced diseases and poorer outcomes. Rates of cancer diagnosed through unplanned admissions vary within and between countries, suggesting potential inconsistencies in the quality of care. To reduce diagnoses by this route and improve patient outcomes, high risk patient groups must be identified. This cross-sectional observational study determined the incidence of first-ever diagnoses of cancer by emergency (unplanned) admission and identified patient-level risk factors for these diagnoses in England. METHODS: Data for 74,763 randomly selected patients at 457 general practices between 1999 and 2008 were obtained from the General Practice Research Database (GPRD), including integrated Hospital Episode Statistics (HES) data and Office for National Statistics (ONS) mortality data. The proportion of first-ever diagnoses by emergency admission out of all recorded first cancer diagnoses by any route was analysed by patient characteristics. RESULTS: Diagnosis by emergency admission was recorded in 13.9% of patients diagnosed with cancer for the first time (n = 817/5870). The incidence of first cases by the emergency route was 2.51 patients per 10,000 person years. In adjusted regression analyses, patients of older age (p \textless 0.0001), living in the most deprived areas (RR 1.93, 95% CI 1.51 to 2.47; p \textless 0.0001) or who had a total Charlson score of 1 compared to 0 (RR 1.34, 95% CI 1.06 to 1.69; p = 0.014) were most at risk of diagnosis by emergency admission. Patients with more prior (all-cause) emergency admissions were less at risk of subsequent diagnosis by the emergency route (RR 0.31 per prior emergency admission, 95% CI 0.20 to 0.46; p \textless 0.0001). CONCLUSIONS: A much lower incidence of first-ever cancer diagnoses by emergency admission was found compared with previous studies. Identified high risk groups may benefit from interventions to reduce delayed diagnosis. Further studies should include screening and cancer staging data to improve understanding of delayed or untimely diagnosis and patient care pathways.
@article{tsang_cancer_2013,
	title = {Cancer diagnosed by emergency admission in {England}: an observational study using the general practice research database},
	volume = {13},
	issn = {1472-6963},
	shorttitle = {Cancer diagnosed by emergency admission in {England}},
	doi = {10.1186/1472-6963-13-308},
	abstract = {BACKGROUND: Patients diagnosed with cancer by the emergency route often have more advanced diseases and poorer outcomes. Rates of cancer diagnosed through unplanned admissions vary within and between countries, suggesting potential inconsistencies in the quality of care. To reduce diagnoses by this route and improve patient outcomes, high risk patient groups must be identified. This cross-sectional observational study determined the incidence of first-ever diagnoses of cancer by emergency (unplanned) admission and identified patient-level risk factors for these diagnoses in England.
METHODS: Data for 74,763 randomly selected patients at 457 general practices between 1999 and 2008 were obtained from the General Practice Research Database (GPRD), including integrated Hospital Episode Statistics (HES) data and Office for National Statistics (ONS) mortality data. The proportion of first-ever diagnoses by emergency admission out of all recorded first cancer diagnoses by any route was analysed by patient characteristics.
RESULTS: Diagnosis by emergency admission was recorded in 13.9\% of patients diagnosed with cancer for the first time (n = 817/5870). The incidence of first cases by the emergency route was 2.51 patients per 10,000 person years. In adjusted regression analyses, patients of older age (p {\textless} 0.0001), living in the most deprived areas (RR 1.93, 95\% CI 1.51 to 2.47; p {\textless} 0.0001) or who had a total Charlson score of 1 compared to 0 (RR 1.34, 95\% CI 1.06 to 1.69; p = 0.014) were most at risk of diagnosis by emergency admission. Patients with more prior (all-cause) emergency admissions were less at risk of subsequent diagnosis by the emergency route (RR 0.31 per prior emergency admission, 95\% CI 0.20 to 0.46; p {\textless} 0.0001).
CONCLUSIONS: A much lower incidence of first-ever cancer diagnoses by emergency admission was found compared with previous studies. Identified high risk groups may benefit from interventions to reduce delayed diagnosis. Further studies should include screening and cancer staging data to improve understanding of delayed or untimely diagnosis and patient care pathways.},
	language = {eng},
	journal = {BMC health services research},
	author = {Tsang, Carmen and Bottle, Alex and Majeed, Azeem and Aylin, Paul},
	year = {2013},
	pmid = {23941140},
	pmcid = {PMC3751722},
	keywords = {Adolescent, Adult, Aged, Aged, 80 and over, Child, Child, Preschool, Confidence Intervals, Cross-Sectional Studies, Databases, Factual, Emergency Service, Hospital, England, Female, General Practice, Humans, Infant, Male, Medical Audit, Middle Aged, Neoplasms, Patient Admission, Poisson Distribution, Qualitative Research, Risk Factors, Young Adult},
	pages = {308}
}
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