Table 1 Clinicopathological characteristics of patients with rectal cancer treated with neoadjuvant chemoradiotherapy (n = 316)
Clinicopathologic Characteristics | Total (n = 316) | pCR (n = 70), % | Non-pCR (n = 246), % | P-value |
|---|---|---|---|---|
Age (yrs) | 0.466 | |||
< 60 | 173 | 41(23.7%) | 132(76.3%) | |
≥ 60 | 143 | 29(20.3%) | 114(79.7%) | |
Sex | 0.056 | |||
Male | 219 | 42(19.2%) | 177(80.8%) | |
Female | 97 | 28(28.9%) | 69(71.1%) | |
Primary tumor Diameter | < 0.001* | |||
< 3 cm | 170 | 53(31.2%) | 117(68.8%) | |
≥ 3 cm | 146 | 17(11.6%) | 129(88.4%) | |
Macroscopic type | < 0.001* | |||
Exophytic type | 65 | 41(63.1%) | 24(36.9%) | |
Ulcerative type | 251 | 29(11.6%) | 222(88.4%) | |
Histological differentiation | 0.726 | |||
Well to moderately | 276 | 62(22.4%) | 214(77.6%) | |
Poorly | 40 | 8(20.0%) | 32(80.0%) | |
Clinical T stage | 0.434 | |||
T2 | 79 | 20 | 59 | |
T3-T4 | 237 | 50 | 187 | |
Clinical TNM stage | < 0.001* | |||
II | 153 | 51(24.4%) | 102(75.6%) | |
III | 163 | 19(11.7%) | 144(88.3%) |