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Table 1 Demographic and clinical characteristics of patients (n = 1212) in UMMC

From: Survival rates and predictors of survival among colorectal cancer patients in a Malaysian tertiary hospital

Characteristics   n %
Sex Male 668 55.1
  Female 544 44.9
Ethnic groups Chinese 808 66.7
  Malays 225 18.6
  Indians 157 13.0
  Others 22 1.7
Age groups (years) ≤ 39 83 6.8
  40–49 121 10.0
  50–59 291 24.0
  60–69 410 34.0
  ≥ 70 307 25.3
Co-morbidities Hypertension 318 26.2
Diabetes 196 16.2
Site Colon 596 49.2
  Rectum 552 45.5
Unknown 64 5.3
Pre-operative carcino-embryonic antigen (CEA) level Not elevated (≤ 5.0 ng/ml) 543 44.8
Elevated (> 5.0 ng/ml) 256 21.1
Unknown 413 34.1
Tumour Grades Low 802 66.2
  High 60 5.0
  Unknown 350 28.8
Duke’s Stages A&B 297 24.5
  C 366 30.2
  D 151 12.5
  Unknown 398 32.8
Treatment modalities Surgery alone 488 40.3
  Surgery plus Chemo- or Radiotherapy 393 32.4
  Surgery plus Chemo- and Radiotherapy 116 9.6
  Chemo- and Radiotherapy alone 101 8.3
  Best supportive care 114 9.4
Urgency of surgerya Elective 481 48.2
(n = 997) Emergency 134 13.4
  Unknown 382 38.2
  1. a n = 215 patients on chemo- and radiotherapy alone or on best supportive care