|
Age
|
61.64 ± 8.57
|
62.41 ± 7.80
|
0.608
|
59.21 ± 9.16
|
59.25 ± 9.89
|
0.981
|
|
Sex (male/female)
|
50/8
|
51/10
|
0.692
|
55/13
|
49/16
|
0.443
|
|
BMI (kg/m2)
|
22.90 ± 2.38
|
22.45 ± 2.82
|
0.344
|
21.41 ± 2.37
|
21.82 ± 2.84
|
0.359
|
|
Tumor size (cm)
|
3.66 ± 1.53
|
4.10 ± 1.51
|
0.121
|
5.44 ± 2.39
|
4.69 ± 2.91
|
0.106
|
|
TNM (IB/IIA/IIB/IIIA/IIIB/IIIC)
|
2/1/12/27/11/5
|
1/1/10/29/12/8
|
0.350
|
1/5/12/25/10/15
|
7/0/12/21/16/9
|
0.611
|
|
Comorbidities (present/absent)
|
18/40
|
11/50
|
0.099
|
17/51
|
24/41
|
0.137
|
|
Operation time (min)
|
287.98 ± 51.97
|
273.07 ± 49.62
|
0.113
|
293.84 ± 64.95
|
267.78 ± 54.80
|
0.014
|
|
Estimated blood loss (ml)
|
134.66 ± 58.83
|
173.93 ± 89.41
|
0.011
|
171.18 ± 106.95
|
193.00 ± 100.49
|
0.085
|
|
No. of N2 tier
|
8.79 ± 4.86
|
7.43 ± 3.84
|
0.091
|
9.31 ± 5.75
|
7.68 ± 5.07
|
0.085
|
|
No. of Retrieved lymph nodes
|
35.43 ± 13.38
|
33.36 ± 11.68
|
0.184
|
34.44 ± 12.84
|
31.49 ± 13.23
|
0.194
|
|
R0/R1
|
52/6
|
56/5
|
0.686
|
64/4
|
62/3
|
1.000
|
|
Proximal margin (cm)
|
2.12 ± 0.99
|
2.58 ± 1.08
|
0.013
|
4.77 ± 1.11
|
4.69 ± 1.14
|
0.682
|
|
Postoperative complication (%)
|
18 (31.0)
|
15 (24.6)
|
0.433
|
12 (17.6)
|
17 (26.2)
|
0.235
|
|
Clavien-Dindo grade ≥ IIIa (%)
|
5 (8.6)
|
1 (1.6)
|
0.187
|
2 (2.9)
|
6 (9.2)
|
0.246
|
|
Postoperative hospital stay (d)
|
9.90 ± 2.77
|
9.31 ± 1.85
|
0.176
|
9.38 ± 2.93
|
10.37 ± 5.71
|
0.914
|
