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Survival of non-Western first generations immigrants with stomach cancer in North East Netherlands
E J M Siemerink1, M A van der Aa, S Siesling
1University of Groningen and University Medical Centre Groningen, Department of Medical Oncology, P.O. Box 30001, 9700 RB, Groningen, The Netherlands. e.j.m.siemerink@int.umcg.nl
Background:
Isolated groups, such as first generation non-Western immigrants, are at risk for suboptimal utilisation of the health care system resulting in a worse outcome.
Methods:
From 1989 to 2007, all patients with stomach cancer were selected from the Comprehensive Cancer Centre North-East cancer registry. Associations between country of birth and patient, tumour and treatment characteristics were determined using χ(2) analysis. Relative survival analysis was used to estimate relative excess risk of dying according to country of birth (non-Western vs Western).
Results:
After adjusting for confounding factors (patient, tumour and treatment related), the risk of dying was lower for first generation non-Western immigrants (relative excess risk 0.55, 95% confidence interval 0.43-0.70) compared with Western patients.
Conclusion:
Although the better survival of first generation non-Western immigrants with stomach cancer remains unexplained, it argues against accessibility problems within the Dutch health care system.
