Table 1.
Univariate correlation of local recurrence risk with clinical and histopathological variables, estimated with the Kaplan–Meier method
| Variable | No. of patients | 3-year local control (%) | p-value (log rank) |
|---|---|---|---|
| Sex | 0.396 | ||
| Male | 78 | 78.2 | |
| Female | 23 | 87.0 | |
| Age (years) | 0.201 | ||
| ≤50 | 62 | 83.9 | |
| >50 | 39 | 74.4 | |
| T stage | 0.011 | ||
| T1 | 39 | 92.3 | |
| T2a | 7 | 100.0 | |
| T2b | 4 | 75.0 | |
| T3 | 33 | 75.8 | |
| T4 | 18 | 55.6 | |
| N stage | 0.079 | ||
| N1 | 22 | 68.2 | |
| N2 | 70 | 85.7 | |
| N3 | 9 | 66.7 | |
| Pathological type | <0.001 | ||
| WHOI | 20 | 45.0 | |
| WHOII | 5 | 60.0 | |
| WHOIII | 76 | 90.8 |
WHO, World Health Organization.