Table 1 Comparison of patient characteristics with DLI after AR grouped according to the time (2007–2009) and (2016–2018)
2007–2009 n = 1345 | 2016–2018 n = 1387 | p-value | |
|---|---|---|---|
Age (years) | 66 (60–73) | 67 (60–73) | 0.381 |
Gender (male) | 854 (63.5) | 852 (61.4) | 0.272 |
ASA | 0.001 2 | ||
ASA1-2 | 1128 (83.9) | 1092 (78.7) | |
ASA3-4 | 189 (14.1) | 271 (19.5) | |
BMI (kg/m2) | 0.001 2 | ||
<30 | 1063 (79) | 1127 (81.3) | |
≥30 | 165 (12.3) | 244 (17.6) | |
Missing data | 117 (8.7) | 16 (1.2) | |
Tumor location* | 0.001 3 | ||
11–15 cm | 474 (35.2) | 515 (37.1) | |
6–10 cm | 799 (59.4) | 842 (60.7) | |
0–5 cm | 64 (3.4) | 23 (1.7) | |
pTumor stage | 0.001 3 | ||
T0 | 35 (2.6) | 29 (2.1) | |
T1-2 | 479 (35.6) | 554 (39.9) | |
T3-4 | 818 (60.8) | 803 (57.9) | |
Tx | 11 (0.8) | 0 | |
pN stage | 0.173 | ||
N0 | 810 (60.2) | 857 (61.8) | |
N1-N2 | 522 (38.8) | 523 (37.7) | |
Nx | 12 (0.9) | 5 (0.4) | |
cM stage | 0.001 3 | ||
M0 | 1229 (91.4) | 1220 (90.7) | |
M1 | 81 (6) | 74 (5.5) | |
Mx | 33 (2.5) | 0 | |
Missing data | 2 (0.1) | 93 (6.9) | |
Neoadjuvant therapy | 971 (72.2) | 876 (63.2) | 0.001 2 |
Laparoscopic index AR | 73 (5.4) | 815 (58.8) | 0.001 2 |
High ligation of IMA | 601 (44.7) | 766 (55.2) | 0.001 2 |
Intraoperative perforation | 28 (2.1) | 28 (2) | 0.9532 |
Hospital stay (days) | 7 (6–11) | 8 (6–13) | 0.001 1 |
Adjuvant therapy | 398 (29.6) | 232 (16.7) | 0.001 2 |
Missing data | 22 (1.6) | 709 (51.1) |