Table 3. Univariate analysis of local recurrence-free survival in patients who presented with primary disease, underwent surgery and had negative gross margins.
| Variable | N | Local recurrence, N | Median local RFS, yr | 95 % CI | Log-rank P-value |
|---|---|---|---|---|---|
|
All pts |
56 |
25 |
1.29 |
(0.72, NA) |
|
|
Depth | |||||
| Superficial | 40 | 16 | 2.34 | (0.75, NA) | 0.035 |
| Deep |
11 |
8 |
0.52 |
(0.14, NA) |
|
|
Size | |||||
| ⩽5 cm | 34 | 14 | 2.34 | (0.74, NA) | 0.077 |
| >5 cm,⩽10 cm | 13 | 5 | NA | (0.59, NA) | |
| >10 cm |
8 |
5 |
0.52 |
(0.40, NA) |
|
|
Margin status | |||||
| R0 | 44 | 17 | 2.34 | (0.75, NA) | 0.322 |
| R1 |
12 |
8 |
0.59 |
(0.48, NA) |
|
|
Adjuvant Chemo | |||||
| No | 51 | 22 | 1.94 | (0.72, NA) | 0.706 |
| Yes | 4 | 2 | 0.74 | (0.48, NA) | |
*Abbreviation: RFS=Recurrence-free survival, CI=Confidnce interval, HR=Hazard ratio.