Table 5 Univariate and multivariate survival analyses of stage ypII RC patients who received Pre-RT
Characteristic | 5-year CCS | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
χ2 test | P | HR(95%CI) | P | ||
Year of diagnosis | 0.255 | 0.614 | NI | ||
2004–2007 | 84.1% | ||||
2008–2010 | 84.7% | ||||
Sex | 1.414 | 0.234 | NI | ||
Male | 85.1% | ||||
Female | 83.0% | ||||
Age | 21.435 | 0.000 | 0.000 | ||
< 60 | 87.2% | Ref | |||
≥ 60 | 81.1% | 0.677 (0.566 ~ 0.810) | 0.000 | ||
Race | 1.812 | 0.404 | NI | ||
White | 84.6% | ||||
Black | 81.4% | ||||
Others | 84.4% | ||||
Grade | 24.552 | 0.000 | 0.000 | ||
Grade I/ II | 85.6% | Ref | |||
Grade III/ IV | 76.2% | 0.599 (0.479 ~ 0.748) | 0.000 | ||
Histologic type | 6.705 | 0.035 | 0.042 | ||
Adenocarcinoma | 85.0% | Ref | |||
Mucinous adenocarcinoma | 75.9% | 0.786 (0.249 ~ 2.481) | 0.682 | ||
Signet ring cell carcinoma | 71.6% | 1.103 (0.339 ~ 3.590) | 0.871 | ||
ypT stage | 21.301 | 0.000 | 0.000 | ||
3 | 85.4% | Ref | |||
4 | 73.2% | 0.591 (0.445 ~ 0.767) | 0.000 | ||
LNs | 9.648 | 0.002 | 0.892 | ||
≤ 12 | 82.5% | Ref | |||
> 12 | 86.7% | 0.983 (0.749 ~ 1.289) | 0.900 | ||
NLN | 20.806 | 0.000 | 0.002 | ||
≤ 9 | 80.9% | Ref | |||
> 9 | 86.5% | 1.520 (1.170 ~ 1.975) | 0.002 | ||