Table 6 Summary of results of survival analysis by Kaplan-Meier test
Variables | Groups | No. of patients | Median | 95% Confidence Interval(CI) | Significance | |
|---|---|---|---|---|---|---|
Lower | Upper | |||||
Age | < 50 | 5 | 5.000 ± 2.191 | 0.706 | 9.294 | 0.211 |
≥ 50 | 20 | 9.000 ± 2.225 | 4.639 | 13.361 | ||
Sex | Male | 13 | 10.000 ± 1.754 | 6.562 | 13.438 | 0.127 |
Female | 12 | 6.000 ± 1.732 | 2.605 | 9.395 | ||
Grade | G1 | 13 | 7.000 ± 1.198 | 4.651 | 9.349 | 0.228 |
G2 | 12 | 10.000 ± 1.125 | 7.795 | 12.205 | ||
Stage | I+II | 10 | 10.000 ± 2.066 | 5.951 | 14.049 | 0.031* |
III+IV | 15 | 7.000 ± 0.949 | 5.141 | 8.859 | ||
Tumor size | < 3 cm | 19 | 9.000 ± 0.933 | 7.172 | 10.828 | 0.842 |
≥ 3 cm | 6 | 6.000 | - | - | ||
Margin status | Negative | 22 | 9.000 ± 1.038 | 6.966 | 11.034 | 0.999 |
Positive | 3 | 6.000 | - | - | ||
pSmad4 | Absent/Low | 20 | 6.000 ± 0.745 | 4.539 | 7.461 | 0.003* |
Moderate/High | 5 | 13.000 ± 2.191 | 8.706 | 17.294 | ||
pSmad6 | Absent/Low | 14 | 7.000 ± 0.926 | 5.185 | 8.815 | 0.141 |
Moderate/High | 11 | 10.000 ± 1.477 | 7.105 | 12.895 | ||
pSmad7 | Absent/Low | 20 | 7.000 ± 2.236 | 2.617 | 11.383 | 0.633 |
Moderate/High | 5 | 10.000 ± 3.286 | 3.559 | 16.441 | ||