|
Postoperative outcomes
|
Before matching
|
After matching
|
|---|
|
RAMIE (n = 27)
|
VAMIE (n = 88)
|
P value
|
RAMIE (n = 27)
|
VAMIE (n = 27)
|
P value
|
|---|
|
Operation time (minutes)
|
349 ± 45
|
294 ± 52
|
< 0.001
|
349 ± 45
|
285 ± 66
|
< 0.001
|
|
Blood loss (mL)
|
118 ± 71
|
165 ± 107
|
0.030*
|
119 ± 72
|
158 ± 82
|
0.062*
|
|
Number of harvested LNs
|
20 ± 7
|
18 ± 6
|
0.214*
|
20 ± 7
|
19 ± 5
|
0.420*
|
|
Postoperative hospital stay (day)
|
13.8 ± 2.0
|
14.1 ± 4.2
|
0.548*
|
13.8 ± 2.0
|
12.8 ± 2.7
|
0.128
|
|
Overall complication (at least one) [n (%)]
|
10 (37.0)
|
37(42.0)
|
0.643
|
10 (37.0)
|
9 (33.3)
|
0.776
|
|
RLN injury [n (%)]
|
4 (14.8)
|
14 (15.9)
|
0.891
|
4 (14.8)
|
3 (11.1)
|
1.000†
|
|
Pulmonary complication [n (%)]
|
5 (18.5)
|
16 (18.2)
|
0.968
|
5 (18.5)
|
2 (7.4)
|
0.224
|
|
Arrhythmia [n (%)]
|
1 (3.7)
|
8 (9.1)
|
0.362
|
1 (3.7)
|
0
|
1.000†
|
|
Anastomotic leak [n (%)]
|
3 (11.1)
|
9 (10.2)
|
0.763
|
3 (11.1)
|
1 (3.7)
|
0.351†
|
|
Chylothorax [n (%)]
|
0
|
1 (1.1)
|
1.000†
|
0
|
1 (3.7)
|
1.000†
|
|
Bleeding [n (%)]
|
1 (3.7)
|
2 (2.3)
|
0.556†
|
1 (3.7)
|
1 (3.7)
|
1.000†
|
|
Delayed gastric emptying [n (%)]
|
1 (3.7)
|
7 (8.0)
|
0.448
|
1 (3.7)
|
0
|
1.000†
|
|
90-day mortality [n (%)]
|
0
|
2 (2.3)
|
1.000†
|
0
|
1 (3.7)
|
1.000†
|
- Data were presented as mean ± standard deviation for continuous variables or number (%) for categorical data
- *Mann-Whitney U test; †Fisher’s exact test
- RAMIE robot-assisted minimally invasive esophagectomy, VAMIE video-assisted minimally invasive esophagectomy, RLN recurrent laryngeal nerve
