• 1
    Chia KS, Lee HP, Seow A, Sanmugaratnam K. Trends in cancer incidence in Singapore 1968–1992, Singapore Cancer Registry Report No. 4. Singapore: Singapore Cancer Registry. 1996. 1217.
  • 2
    Chia KS, Seow A, Lee HP, Sanmugaratnam K. Cancer incidence in Singapore, 1993–1997, Singapore Cancer Registry Report No. 5. Singapore: Singapore Cancer Registry, 2000. 1161.
  • 3
    Singapore Department of Statistics. Singapore census of population 1990, statistical release 1: demographic characteristics. Singapore: Singapore Department of Statistics, 1991. 1159.
  • 4
    Seow A, Lee HP. From colony to city state: changes in health needs in Singapore from 1950 to 1990. J Public Health Med 1994;16: 14958.
  • 5
    Lim MK. 1998. Health care systems in transition. II. Singapore, Part I. An overview of health care systems in Singapore. J Public Health Med 1998;20: 1622.
  • 6
    Voutilainen ET, Dickman PW, Hakulinen T. Surv2: relative survival analysis program, software manual, program version 2.02β, 1998. 1–105. Available from URL: [accessed Dec 1, 1999].
  • 7
    Hakulinen T. Cancer survival corrected for heterogeneity in patient withdrawal. Biometrics 1982;38: 93342.
  • 8
    Raymondo JC. Population estimation and projection: method for marketing, demographic and planning personnel. New York: Greenwood Publishing Group, 1992. 4360.
  • 9
    Chiang CL. The life table and its applications. Malabar: Robert E. Krieger Publishing, 1984. 1316.
  • 10
    Department of Statistics. Yearbook of statistics, Republic of Singapore, 1968 to 1997. Singapore: Singapore Department of Statistics, 1968–1997.
  • 11
    Registrar-General of Births and Deaths. Report on registration of births and deaths, Republic of Singapore, 1968 to 1997. Singapore: Singapore Immigration and Registration, 1968–1997.
  • 12
    Hakulinen T, Tenkanen L, Abeywickrama K. Testing equality of relative survival patterns based on aggregated data. Biometrics 1987;43: 31325.
  • 13
    Hakulinen T, Tenkanen L. Regression analysis of relative survival rates. Appl Stat 1987;36: 30917.
  • 14
    Sankaranarayanan R, Black RJ, Parkin DM. Cancer survival in developing countries. IARC Scientific Publication No. 145. Lyon: International Agency for Research on Cancer, 1998. 1173.
  • 15
    Ries L, Kosary CL, Hankey BF, Miller BA, Harras A Edwards BK. SEER Cancer statistics review, 1973–1994. National Cancer Institute. NIH Pub. No. 97-2789. Bethesda, MD: National Cancer Institute, 1997. 1300.
  • 16
    Berrino F, Capocaccia R, Esteve J, Gatta G, Hakulinen T, Micheli T, Sant M, Verdecchia A. Survival of cancer patients in Europe: the EUROCARE-2 Study. IARC Scientific Publication No. 151. Lyon: International Agency for Research on Cancer, 1999. 1572.
  • 17
    Osaka Cancer Registry, Japan. Survival of cancer patients in Osaka, 1975–89. Osaka: Osaka Cancer Registry, 1998. 1205.
  • 18
    McDermott FT, Hughes ES, Pihl E, Milne BJ, Price AB. Comparative results of surgical management of single carcinomas of the colon and rectum: a series of 1939 patients managed by one surgeon. Br J Surg 1981;68: 8505.
  • 19
    Roncucco L, Fante R, Losi L, Gregorio CD. Survival for colon and rectal cancer in a population-based cancer registry. Eur J Cancer 1996;32: 295302.
  • 20
    Regos J, Nagy L, Nagy Z, Morvay K. Local recurrences following colorectal operations. Acta Chir Hung 1990;31: 11724.
  • 21
    Galandiuk S, Wieand HS, Moertel CG, Cha SS, Fitzgibbons RJ, Pemberton JH, Wolff BJ. Patterns of recurrence after curative resection of carcinoma of the colon and rectum. Surg Gynecol Obstet. 1992;174: 2732.
  • 22
    Obrand DI, Gordon PH. Incidence and patterns of recurrence following curative resection for colorectal carcinoma. Dis Colon Rectum 1997;40: 1524.
  • 23
    Fazio VW, Tjandra JJ. Primary therapy of carcinoma of the large bowel. World J Surg 1991;15: 56875.
  • 24
    Steup WH. Surgery for cancer of the colon and rectum. Ann Oncol 1994;5(Suppl 3): 9195.
  • 25
    Berrino F, Sant M, Verdecchia A, Capocaccia R, Hakulinen T, Esteve J. Survival of cancer patients in Europe: the EUROCARE study. IARC Scientific Publication No. 132. Lyon: International Agency of Research on Cancer, 1995. 1444.
  • 26
    Domergue J, Ismail M, Astre C, Saint-Aubert B, Joyeux H, Solassol C, Pujol H. Colorectal carcinoma in patients younger than 40 years of age—Montpellier cancer institute experience with 78 patients. Cancer 1988;61: 83540.
  • 27
    Isbister WH. Colorectal cancer below age 40 in the Kingdom of Saudi Arabia. Aust NZ J Surg 1992;62: 46872.
  • 28
    Paksoy M, Ipek T, Colak T, Cebeci H. Influence of age on prognosis and management of patients with colorectal carcinoma. Eur J Surg 1999;165: 5558.
  • 29
    Mayberry RM, Coates RJ, Hill HA, Click LA, Chen VW, Austin DF. Determinants of black/white differences in colon cancer survival. J Natl Cancer Inst 1995;87: 168693.
  • 30
    Pienta KJ, Kau TY, Demers R, Montie JE, Hoff M, Severson RK. Effect of age and race on the survival of men with prostate cancer in the metropolitan Detroit tricounty area, 1973 to 1987. Urology 1995;45: 93102.
  • 31
    Gatta G, Sant M, Coebergh JW, Hakulinen T, the EUROCARE Working Group. Substantial variation in therapy for colorectal cancer across Europe; EUROCARE analysis of cancer registry data for 1987. Eur J Cancer 1996;32A: 8315.
  • 32
    Au E, Ang PT, Seow CF, Soo KC, Low CH, Chng HC, Ng BK. Adjuvant chemotherapy for patients with resected Dukes' C and high-risk B2 colon cancer with fluorouracil and levamisole. Ann Acad Med Singapore 1998;27: 7337.
  • 33
    Welch HG, Schwartz LM, Woloshin S. Are increasing 5-year survival rates evidence of success against cancer? JAMA 2000;14: 29758.
  • 34
    Huang J, Seow A, Lee HP. Survival of colorectal cancer patients in Singapore by anatomic subsite: a population-based study. Ann Acad Med Singapore 2000;29: 7985.
  • 35
    Tomatis L, Aitio A, Day NE, Heseltine E, Kaldor J, Miller AB, Parkin DM, Riboli E. Cancer: causes, occurrence and control. IARC Scientific Ppublication No. 100. Lyon: IARC, 1990. 1352.
  • 36
    Winawer SJ, Flehinger BJ, Schottenfeld D. Miller DG. Screening for colorectal cancer with fecal occult blood testing and sigmoidoscopy. J Natl Cancer Inst 1993;85: 13118.
  • 37
    Ahlquist DA. Fecal occult blood testing for colorectal cancer. Can we afford to do this? Gastroenterol Clin North Am 1997;26: 4155.
  • 38
    Towler B, Irwig L, Glasziou P, Kewenter J, Weller D, Silagy C. A systematic review of the effects of screening for colorectal cancer using the fecal occult blood test, hemoccult. BMJ 1998;317: 55965.