Table 2 Surgical information, pathological data and short-term complications in the R- LADG group and the P-LADG group
Variable | R-LADG(n = 56) | P-LADG(n = 56) | p |
|---|---|---|---|
Operation time(min) | 260.0 (221.3, 295.0) | 270.0 (225.8, 295.0) | 0.753 |
Blood loss(ml) | 20.0 (10.0, 30.0) | 20.0 (10.0, 20.0) | 0.985 |
Time to flatus(day) | 4.0 (3.0, 5.0) | 3.0 (3.0, 4.0) | 0.993 |
Time to intake(day) | 5.0 (4.0, 7.0) | 5.0 (4.0, 7.0) | 0.290 |
Time to removal drainage(day) | 8.0 (7.0, 9.8) | 9.0 (7.0, 11.0) | 0.148 |
Hospitalization time(day) | 9.0 (8.0, 11.0) | 10.0 (8.0, 12.0) | 0.454 |
Anastomotic Leakage(%) | 1(1.1) | 0(0) | 1.00 |
Wound infection(%) | 0.528 | ||
Yes | 2 (3.6) | 0 (0) | 0.495 |
No | 54 (96.4) | 56 (100) | |
Retrieved LN(number) | 28.0 (16.0, 36.8) | 25.0 (17.0, 32.8) | 0.430 |
Positive LN (number) | 0 (0.0, 1.0) | 0 (0.0, 2.0) | 0.225 |
Lympho-vascular invasion(%) | |||
Yes | 12 (21.4) | 13 (23.2) | 0.820 |
No | 44 (78.6) | 43 (76.8) | |
Neural-invasion(%) | |||
Yes | 12 (21.4) | 18 (32.1) | 0.286 |
No | 44 (78.6) | 38 (67.9) | |
Degree of tumor differentiation(%) | 0.158 | ||
Poorly differentiated | 28 (50) | 18 (32.1) | |
Moderately differentiated | 23 (41.1) | 31 (55.4) | |
Well differentiated | 5 (8.9) | 7 (12.5) | |
pT stage(%) | 0.287 | ||
T1a | 21 (37.5) | 13 (23.2) | |
T1b | 9 (16.1) | 15 (26.8) | |
T2 | 12 (21.4) | 9 (16.1) | |
T3 | 9 (16.1) | 10 (17.9) | |
T4 | 5 (8.9) | 9 (16.1) | |