Predictors | aCrude HR (95% CI) | bAdjusted HR (95% CI) |
---|---|---|
Ethnicity | ||
 Malays | 1.00 | 1.00 |
 Chinese | 1.55 (1.10–2.17) | 1.74 (1.07–2.84) |
 Indians | 1.13 (0.71–1.78) | 1.88 (1.01–3.51) |
Preoperative CEA levels | ||
 Not elevated | 1.00 | 1.00 |
 Elevated | 2.58 (1.94–3.44) | 2.00 (1.30–3.03) |
Duke’s stages | ||
 A&B | 1.00 | 1.00 |
 C | 2.13 (1.49–3.05) | 2.33 (1.56–3.49) |
 D | 5.51 (3.73–8.16) | 5.87 (3.73–9.24) |