Table 1.
Baseline patient and tumor characteristics
| Re-resection (N = 110) | No re-resection (N = 353) | p value | |
|---|---|---|---|
| Age, years [mean (range)] | 62.9 (36–81) | 72.2 (25–97) | <0.001 |
| Sex, male | 33 (30.0) | 93 (26.3) | 0.452 |
| Tumor differentiation grade | |||
| Well | 16 (14.5) | 38 (10.8) | 0.244 |
| Moderately | 47 (40.9) | 124 (35.1) | |
| Poor | 22 (20.0) | 101 (28.6) | |
| Unknown | 27 (24.5) | 90 (25.5) | |
| pT stage | |||
| T1b | 10 (9.1) | 47 (13.3) | 0.079 |
| T2 | 74 (67.3) | 185 (52.4) | |
| T3/T4 | 24 (21.8) | 90 (25.5) | |
| Tx | 2 (1.8) | 31 (8.8) | |
| pN stage | |||
| N0 | 22 (20.0) | 132 (37.4) | 0.001 |
| N1–2 | 13 (11.8) | 22 (6.2) | |
| Nx | 75 (68.2) | 199 (56.4) | |
| Resection margin | |||
| R0 | 73 (66.4) | 160 (45.3) | <0.001 |
| R1/R2 | 32 (29.1) | 95 (26.9) | |
| Unknown | 5 (4.5) | 98 (27.8) | |
Data are expressed as n (%) unless otherwise specified
Bolded values indicate statistical significance (P < 0.005)