Parameters | Number | Univariate analysis Hazard ratio (95% CI) | P value | Multivariate analysis Hazard ratio (95% CI) | P value |
---|---|---|---|---|---|
DM (yes/no) | 283/912 | 0.91(0.72-1.17) | .463 | 0.83(0.61-1.23) | 0.234 |
Age (≥65/<65)years | 632/565 | 1.19(0.97-1.46) | .092 | 1.27(0.97-1.67) | 0.083 |
Sex (Male/Female) | 674/523 | 1.08(0.88-1.32) | .467 | 1.05(0.81-1.37) | 0.692 |
Location (Rectum/Colon) | 369/828 | 0.81(0.64-1.00) | .058 | 0.82(0.62-1.09) | 0.176 |
Tumor size (≥5/<5)cm | 518/679 | 1.42(1.15-1.74) | < .001 | 1.13(0.86-1.47) | 0.384 |
BMIa (<22/≥22) kg/M2 | 394/803 | 1.43(1.16-1.77) | < .001 | 1.16(0.88-1.51) | 0.301 |
Albumin (<3.5/≥3.5)gm/dl | 476/721 | 1.79(1.44-2.23) | < .001 | 1.40(1.08-1.82) | 0.011 |
Histology (PD/MD + WDb) | 135/1062 | 1.89(1.42-2.52) | < .001 | 1.35(.094-1.94) | 0.124 |
AJCCc stage (III&IV/I&II) | 565/632 | 3.95(3.15-4.96) | < .001 | 2.22(1.65-2.99) | < 0.001 |
Pre-op CEAd (≥5/<5) ng/ml | 559/638 | 2.98(2.38-3.73) | < .001 | 1.25(0.91-1.73) | 0.225 |
Post-op CEAd (≥5/<5) ng/ml | 338/859 | 5.47(4.39-6.81) | < .001 | 3.71(2.84-4.83) | < 0.001 |
Vascular invasion (yes/no) | 395/802 | 2.97(2.40-3.67) | < .001 | 1.54(1.18-2.01) | 0.002 |
Perineurial invasion (yes/no) | 447/750 | 2.51(2.03-3.10) | < .001 | 1.82(1.40-2.37) | < 0.001 |