Table 1.
SURG group (n = 72) | CRT group (n = 39) | P-valueb | |
---|---|---|---|
n (%) | n (%) | ||
Age | 0.002 | ||
≤65 years | 28 (38.9) | 27 (69.2) | |
>65 years | 44 (61.1) | 12 (30.8) | |
Sex | 0.059 | ||
Male | 43 (59.7) | 16 (41.0) | |
Female | 29 (40.3) | 23 (59.0) | |
Body mass index, kg/m2a | 0.966 | ||
≤23 kg/m2 | 26 (53.1) | 15 (53.6) | |
>23 kg/m2 | 23 (46.9) | 13 (46.4) | |
ASA scorea | 0.758 | ||
1 | 20 (27.8) | 13 (33.3) | |
2 | 44 (61.1) | 21 (53.8) | |
3 | 8 (11.1) | 5 (12.8) | |
Preoperative status | |||
Tumour statusa | <0.001 | ||
T1 | 29 (41.4) | 1 (2.6) | |
T2 | 32 (45.7) | 0 | |
T3 | 9 (12.9) | 14 (35.9) | |
T4 | 0 | 24 (61.5) | |
Nodal status | 0.001 | ||
N− | 61 (88.4) | 20 (58.8) | |
N+ | 8 (11.6) | 14 (41.2) | |
Vein involvementa | <0.001 | ||
Yes | 8 (11.6) | 24 (64.9) | |
No | 61 (88.4) | 13 (35.1) | |
Artery involvementa | <0.001 | ||
Yes | 0 | 22 (59.5) | |
No | 69 (100) | 15 (40.5) | |
Postoperative status | |||
Tumour statusa | <0.001 | ||
T0 | 0 | 5 (12.8) | |
T1 | 29 (41.4) | 3 (7.7) | |
T2 | 32 (45.7) | 4 (10.3) | |
T3 | 9 (12.9) | 27 (69.2) | |
T4 | 0 | 0 | |
Resection type | 0.240 | ||
R0 | 54 (75.0) | 33 (84.6) | |
R1 | 18 (25.0) | 6 (15.4) | |
Vascular/lymphatic emboli | 0.001 | ||
Yes | 32 (55.2) | 7 (20.0) | |
No | 26 (44.8) | 28 (80.0) | |
Perineural invasiona | 0.065 | ||
Yes | 40 (70.2) | 19 (51.4) | |
No | 17 (29.8) | 18 (48.6) | |
Nodal status | <0.001 | ||
N− | 16 (22.2) | 23 (59.0) | |
N+ | 56 (77.8) | 16 (41.0) |
Missing data.
P-values in bold are significant at P ≤ 0.01.
SURG group, surgery-only group; CRT group, preoperative chemoradiotherapy group; ASA, American Society of Anesthesiologists.