Parameters | Number | Univariate analysis Hazard ratio (95% CI) | P value | Multivariate analysis Hazard ratio (95% CI) | P value |
---|---|---|---|---|---|
DM (yes/no) | 283/914 | 1.02(0.81-1.27) | .888 | 0.94(0.71-1.24) | 0.642 |
Age (≥65/<65)years | 632/565 | 1.33(1.09-1.62) | .004 | 1.36(1.05-1.76) | 0.021 |
Sex (Male/Female) | 674/523 | 1.13(0.93-1.37) | .221 | 1.09(0.85-1.40) | 0.491 |
Location (Rectum/Colon) | 369/828 | 0.89(0.65-1.00) | .048 | 0.80(0.61-1.05) | 0.114 |
Tumor size (≥5/<5)cm | 518/679 | 1.47(1.21-1.78) | < .001 | 1.12(0.87-1.44) | 0.368 |
BMIa (<22/≥22) kg/M2 | 394/803 | 1.39(1.13-1.70) | .001 | 1.14(0.88-1.48) | 0.311 |
Albumin (<3.5/≥3.5)gm/dl | 476/721 | 1.83(1.48-2.25) | < .001 | 1.32(1.02-1.70) | 0.037 |
Histology (PD/MD + WDb) | 135/1062 | 1.93(1.48-2.52) | < .001 | 1.45(1.04-2.02) | 0.030 |
AJCCc stage (III&IV/I&II) | 565/632 | 3.36(2.73-4.14) | < .001 | 1.32(1.02-1.70) | 0.037 |
Pre-op CEAd (≥5/<5) ng/ml | 559/638 | 2.86(2.31-3.53) | < .001 | 1.26(0.93-1.70) | 0.143 |
Post-op CEAd (≥5/<5) ng/ml | 338/859 | 5.30(4.30-6.54) | < .001 | 3.61(2.80-4.64) | < 0.001 |
Vascular invasion (yes/no) | 395/802 | 2.79(2.28-3.41) | < .001 | 1.58(1.22-2.05) | < 0.001 |
Perineurial invasion (yes/no) | 447/750 | 2.27(1.86-2.78) | < .001 | 1.79(1.39-2.30) | < 0.001 |