Table 4 Univariate and multivariate survival analyses of stage ypI RC patients who received Pre-RT
Characteristic | 5-year CCS | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
χ2 test | P | HR(95%CI) | P | ||
Year of diagnosis | 6.324 | 0.012 | 0.035 | ||
2004–2007 | 87.9% | Ref | |||
2008–2010 | 92.2% | 1.609 (1.029 ~ 2.517) | 0.037 | ||
Sex | 1.238 | 0.266 | NI | ||
Male | 90.0% | ||||
Female | 89.3% | ||||
Age | 2.359 | 0.125 | NI | ||
< 60 | 91.3% | ||||
≥ 60 | 88.0% | ||||
Race | 6.222 | 0.045 | 0.053 | ||
White | 88.9% | Ref | |||
Black | 81.0% | 3.792 (1.201 ~ 11.968) | 0.023 | ||
Others | 98.9% | 4.392 (1.251 ~ 15.415) | 0.021 | ||
Grade | 0.483 | 0.487 | NI | ||
Grade I/ II | 90.0% | ||||
Grade III/ IV | 85.1% | ||||
Histologic type | 3.218 | 0.200 | NI | ||
Adenocarcinoma | 89.8% | ||||
Mucinous adenocarcinoma | 89.5% | ||||
Signet ring cell carcinoma | 50.0% | ||||
ypT stage | 0.001 | 0.972 | NI | ||
1 | 90.5% | ||||
2 | 89.4% | ||||
LNs | 9.401 | 0.002 | 0.284 | ||
≤ 12 | 87.8% | Ref | |||
> 12 | 93.4% | 1.702 (0.949 ~ 3.052) | 0.074 | ||
NLN | 7.080 | 0.008 | 0.600 | ||
≤ 9 | 87.6% | Ref | |||
> 9 | 91.6% | 1.128 (0.682 ~ 1.866) | 0.638 | ||