Beckett, P

Chishimba, L

Dudgon, M

Morris, J

Introduction:Factors such as stage and performance status (PS) areknown to correlate strongly with outcomes in lung cancer. Whilesocioeconomic status (SES) is known to correlate with incidence(following smoking habits), the relationship between care provided/outcomes of care and SES is less clear. Traditionally, SES has beenmeasured by mapping postcode to the Index of MultipleDeprivation (IMD). MOSAIC UK is a system provided byExperian which classifies all consumers in the UK into 61 typesaggregated into 11 groups. We hypothesised that this system mightbe more effective in highlighting differences in cancer care andoutcomes in different SES groups.Methods:All lung cancer patients in the hospital database wereanalysed by mapping postcode to IMD quintiles as well as toMOSAIC groups and types (kindly provided by Experian).Differences in proportions were analysed by x2 analysis and survivalby Kaplan-Meier methods.Results: 527 patients (58% male, 24% female) were used in theanalysis. The proportions in IMD quintiles 1–5 were 12%, 20%,25%, 27% and 17%, respectively (1=most deprived, 5=leastdeprived). Due to small numbers in some MOSAIC types, thelargest five groups were chosen for analysis; similarly, the largest sixMOSAIC groups were analysed . There were nosignificant differences between IMD quintiles or MOSAIC groups/types in the proportion of patients having histological confirmation,emergency presentation, disease stage (IIIA, PS 0–1 and surgicalresection. Similarly, median survival was not significantly differentbetween the SES groups. However, patients in MOSAIC type 22were more likely to have chemotherapy than type 23 (p,0.001).Conclusions: In our study only chemotherapy rates differed betweengroups. This may reflect an absence of any real association, but mayalso be due to a small sample size or a lack of socioeconomicvariation in our catchment population. Use of MOSAIC as a tool toevaluate these differences in larger datasets may still be useful dueto the rich picture of UK consumers in terms of demographics,socioeconomics, lifestyles, culture and behaviour that it provides

USE OF EXPERIAN MOSAIC TO EXPLORE VARIABILITY IN PROCESS AND OUTCOMES IN LUNG CANCER PATIENTS

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