Table 1 Clinical characteristics of patients treated with AURS or compartment surgery
Group | No. Of patients (%) | p value | |
|---|---|---|---|
AURS (n = 56) | conventional surgery (n = 64) | ||
Age(y) | 51.2 ± 8.6 | 48.66 ± 8.893 | 0.1086 |
Gender | 0.4159 | ||
Man | 52 (92.9) | 62 (96.9) | |
Woman | 4 (7.1) | 2 (3.1) | |
Neck dissection | 0.0057 | ||
Radical | 62 (94.7) | 49 (76.6) | |
Functional | 2 (5.3) | 15 (23.4) | |
T status | |||
T2 | 0 (0) | 21 (32.8) | < 0.0001 |
T3 | 0 (0) | 2 (3.1) | |
T4 | 56 (100) | 41 (64.1) | |
N status | |||
N ( −) | 16 (28.6) | 32 (50) | 0.0168 |
N ( +) | 40 (71.4) | 32 (50) | |
Preexisting disease | |||
Hypertension | 5 (8.9) | 7 (10.9) | 0.4285 |
Diabetes mellitus | 1 (1.8) | 4 (6.3) | |
Re-exploration | |||
Yes | 0 (0) | 2 (3.1) | 0.1822 |
No | 56 (100) | 62 (96.7) | |
Smoking history | |||
Yes | 45 (80.3) | 59 (92.2) | 0.0572 |
No | 11 (19.7) | 5 (7.8) | |
Alcohol history | |||
Yes | 40 (71.4) | 54 (84.4) | 0.0859 |
No | 16 (28.6) | 10 (15.6) | |
Areca-nut history | |||
Yes | 41 (73.2) | 48 (75) | 0.8236 |
No | 15 (26.8) | 16 (25) | |
Flap size (cm2) | 138.4 ± 65.4 | 81.6 ± 39.5 | |
Type of free flap | < 0.0001 | ||
ALT | 62 (96.9) | 0.1822 | |
Fibula free flap | 56 (100) | 2 (3.1) | |
Post-operative PI | 0 (0) | ||
Yes | 5 (7.8) | 0.544 | |
No | 7 (12.5) | 59 (92.2) | |
Post-operative Length of stay | 49 (87.5) | 10.2 ± 3.3 | |
Duration of operation | 8.3 ± 2.1 | 0.0612 | |
Overall survival rate | 11.6 ± 4.6 | 24 (37.5) | < 0.0001 |
Disease-free survival rate Local disease control rate | 11.1 ± 1.6 35 (62.5) 35 (62.5) 40 (71.4) | 22 (34.3) 22 (34.4) | 0.0424 0.0008 < 0.0001 |