Table 2.
Univariate logistic analyses of predictors for pCR
| Variable | Number | pCR N (%) | p value |
|---|---|---|---|
| Gender | 0.986 | ||
| Male | 207 | 55 (26.6) | |
| Female | 90 | 24 (26.7) | |
| Age& | 0.163 | ||
| ≤56 | 159 | 37 (23.3) | |
| >56 | 138 | 42 (30.4) | |
| Pre-Hb@ (g/L) | 0.348 | ||
| Anemia | 55 | 12 (21.8) | |
| Normal | 228 | 64 (28.1) | |
| Pre-CEA (ng/mL) | <0.001 | ||
| ≤5.33 | 167 | 61 (36.5) | |
| >5.33 | 130 | 18 (13.8) | |
| Distance between lower border of tumor and anal verge (cm) | 0.464 | ||
| ≤5 | 172 | 43 (25.0) | |
| >5 | 125 | 36 (28.8) | |
| Histological grade | 0.74 | ||
| G1 | 21 | 5 (23.8) | |
| G2 | 238 | 62 (26.1) | |
| G3 | 38 | 12 (31.6) | |
| Clinical T | 0.011 | ||
| T1-3 | 122 | 42 (34.4) | |
| T4 | 175 | 37 (21.1) | |
| Clinical N | 0.886 | ||
| N0 | 92 | 23 (25.0) | |
| N+ | 205 | 56 (27.3) | |
| Clinical stage | 0.579 | ||
| II | 90 | 22 (24.4) | |
| III | 207 | 57 (27.5) | |
| Interval between completion neo-CRTand surgery (week) | 0.658 | ||
| ≤4 | 8 | 1 (12.5%) | |
| 4~8 | 237 | 64 (27.0%) | |
| ≥8 | 52 | 14 (26.9%) | |
@: grouped by whether anemia, male normal 120g/L, female normal 110g/L; &: grouped by median