Socio-economic inequalities in the pathway of care for pancreatic cancer James Brown, Jean Adams, Martin White & Mark Pearce Institute of Health & Society Newcastle University
Socio-economic inequalities in cancer Most cancers are more common in people living in more deprived circumstances Quinn et al (2001) Cancer trends in England & Wales , London, The Stationary Office
People living in more deprived circumstances experience worse survival from cancer Socio-economic inequalities in cancer Quinn et al (2001) Cancer trends in England & Wales , London, The Stationary Office
Pancreatic cancer 10 th most common cancer; 6 th most common cause of cancer death in UK –7600 diagnoses/year; 7300 deaths/year Rapidly fatal –13% live 1 year or more –2-3% live 5 years or more Risk factors –smoking, diabetes, obesity –chronic pancreatitis Socio-economic pattern not clear
Pancreatic cancer care pathway Symptoms GP Hospital Diagnosis No treatmentTreatment
Research questions After controlling for age and gender, are there socio- economic inequalities in incidence? After controlling for age, gender and co-morbidity are there socio-economic inequalities in: –who is receives treatment? –delay from: GP referral to first hospital appointment? first hospital appointment to diagnosis? diagnosis to receipt of treatment?
Methods NYCRIS data on all pancreatic adenocarcinomas, , linked to Hospital Episode Statistics Statistical analysis –sex-specific, directly age standardized incidence –logistic regression for receipt of treatment –Cox regression for delays –date of birth –sex –postcode at diagnosis → IMD 2004 –referral date –date of diagnosis –treatment type & date –co-morbidity in year prior to diagnosis → Charleson index –date of death (to June 2006)
Results cases 52% female 58% diagnosed at age % with Charleson index of 0 25% received treatment Median delay from: –GP referral to first hospital appointment = 8 days –first hospital appointment to diagnosis = 6 days –diagnosis to receipt of treatment = 40 days
Socio-economic inequalities in incidence
Socio-economic inequalities in treatment Controlled for age, gender & co-morbidity; χ 2 (4)=72.66; p=0.001
χ 2 (4)=4.03; p=0.40 χ2(4)=13.90; p=0.008 χ 2 (4)=5.82; p=0.21 Controlled for age, gender & co-morbidity throughout
Summary of results Evidence of socio-economic inequalities in: Symptoms GP Hospital Diagnosis No treatmentTreatment
Summary of results Evidence of socio-economic inequalities in: –incidence Symptoms GP Hospital Diagnosis No treatmentTreatment
Summary of results Evidence of socio-economic inequalities in: –incidence –treatment Symptoms GP Hospital Diagnosis No treatmentTreatment
Summary of results Evidence of socio-economic inequalities in: –incidence –treatment –delay from GP to first hospital appointment Symptoms GP Hospital Diagnosis No treatmentTreatment
Summary of results Evidence of socio-economic inequalities in: –incidence –treatment –delay from GP to first hospital appointment No evidence of socio-economic inequalities in: –delay from first hospital appointment to diagnosis –delay from diagnosis to treatment Symptoms GP Hospital Diagnosis No treatmentTreatment
Major limitations & next steps No control for stage/grade at diagnosis No modelling of effect of various inequalities on survival Any treatment rather than ‘best’ treatment Repeat with –common cancers –better data availability –clear NICE guidelines How and why are there socio-economic gradients in who gets treatment? –observations of consultations & MDT meetings?