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Table 3 Five-year survival of colorectal cancer patients by anatomic sites and Duke’s stage, stratified by ethnic groups

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

Clinical characteristics Survival rate, % (95% CI)  
aMalay (n = 225) Chinese (n = 808) Indians (n = 157) p
Colorectal 48.50 (41.29–55.32) 39.68 (36.01–43.33) 47.49 (38.84–55.63) 0.039
Site:
 Colon 56.51 (44.75–66.69) 40.07 (34.86–45.22) 54.52 (42.18–65.29) 0.005
 Rectum 43.87 (34.42–52.91) 39.81 (34.23–45.33) 36.91 (24.56–49.28) 0.674
Duke's stageb Malay (n = 163) Chinese (n = 546) Indians (n = 105) p
 A & B 68.68 (51.43–80.88) 63.79 (55.88–70.66) 69.95 (51.73–82.39) 0.714
 C 56.18 (42.43–67.86) 45.01 (37.96–51.80) 58.85 (41.56–72.61) 0.136
 D 17.98 (6.27–34.53) 13.05 (7.03–20.96) NA -
  1. CI confidence interval, NA not available
  2. a 3 ethnic groups ≠ 1212, as ethnic group, Others (n = 22) was excluded
  3. b Total sample with data on Duke’s stage, n = 814