Redaniel et al. BMC Cancer 2010, 10:100 http://www.biomedcentral.com/1471-2407/10/100 28. Ellison L: An empirical evaluation of period survival analysis using data from the Canadian Cancer Registry. Ann Epidemiol 2006, 16:191-196. 29. Ederer F, Heise H: Instructions to IBM 650 programmers in processing survival computations. Bethesda, MD: National Cancer Institute 1959. 30. Arias E: United States abridged life tables, 2000. National vital statistics reports; vol 51 no 3. Hyattsville, Maryland: National Center for Health Statistics 2002. 31. Brenner H, Hakulinen T: Up-to-date and precise estimates of cancer patient survival: model-based period analysis. Am J Epidemiol 2006, 164:689-696. 32. Hamilton S, Aaltonen L, eds: World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Digestive System. Lyon: IARC Press 2000. 33. Barzi F, Woodward M: Imputations of missing values in practice: results from imputations of serum cholesterol in 28 cohort studies. Am J Epidemiol 2004, 160(1):34-45. 34. SAS: Cary, NC: SAS Institute Inc 2009. 35. Brenner H, Gefeller O, Hakulinen T: Period analysis for ‘up-to-date’ cancer survival data: theory, empirical evaluation, computational realisation and applications. Eur J Cancer 2004, 40:326-335. 36. Chang R, Roxas M, Crisostomo A: Factors influenciung the delay in diagnosis among colon and rectal cancer patients. Philipp J Surg Spec 1998, 53:65-68. 37. Kaw L, Punzalan C, Crisostomo A, Bowyer M, Wherry D: Surgical pathology of colorectal cancer in Filipinos: Implications for clinical practice. J Am Coll Surg 2002, 195(2):188-195. 38. Uy GB, Kaw LL, Punzalan CK, Querol RI, Koustova EV, Bowyer MW, Hobbs CM, Sobin LH, Wherry DC: Clinical and molecular biologic characteristics of early-onset versus late-onset colorectal carcinoma in Filipinos. World J Surg 2004, 28(2):117-123. 39. Sung JJ, Lau JY, Young GP, Sano Y, Chiu HM, Byeon JS, Yeoh KG, Goh KL, Sollano J, Rerknimitr R, Matsuda T, Wu KC, Ng S, Leung SY, Makharia G, Chong VH, Ho KY, Brooks D, Lieberman DA, Chan FK: Asia Pacific consensus recommendations for colorectal cancer screening. Gut 2008, 57(8):1166-1176. 40. DOH: Development of Manual of Operations on an Integrated Community-Bases NonCommunicable Disease Prevention and Control Programme (Draft). Manila: Department of Health 2007. 41. Reeves T, Bennett C: We the People: Asians in the United States. Census 2000 Special Reports, CENSR-17. Washington, DC: US Census Bureau 2004. 42. McCracken M, Olsen M, Chen MS Jr, Jemal A, Thun M, Cokkinides V, Deapen D, Ward E: Cancer incidence, mortality, and associated risk factors among Asian Americans of Chinese, Filipino, Vietnamese, Korean, and Japanese ethnicities. CA Cancer J Clin 2007, 57(4):190-205. Pre-publication history The pre-publication history for this paper can be accessed here:http://www. biomedcentral.com/1471-2407/10/100/prepub doi:10.1186/1471-2407-10-100 Cite this article as: Redaniel et al.: Inter-country and ethnic variation in colorectal cancer survival: Comparisons between a Philippine population, Filipino-Americans and Caucasians. BMC Cancer 2010 10:100. Page 9 of 9 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit