Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. May 21, 2016; 22(19): 4750-4756
Published online May 21, 2016. doi: 10.3748/wjg.v22.i19.4750
Table 2 Characteristics of the open surgery and minimally invasive esophagectomy groups
Open surgery (n = 324)MIE (n = 123)P value
Age (yr)60.3 ± 7.860.1 ± 6.30.7821
Gender0.0552
Male22697
Female9826
ASA grade0.8202
I156
II24897
III6120
Height (cm)170.2 ± 4.8171.1 ± 4.90.5851
Weight (kg)65.2 ± 9.866.8 ± 8.10.1521
Smoker0.9122
Never12346
Current or former20177
pT stage
Tis340.077
T12036< 0.001
T24672< 0.001
T322511< 0.001
T4300< 0.001
Resection rate0.4792
R0313121
R162
R250
Inductive chemo/radio therapy40%14%0.7882
pTis/T1/T200
pT31560.9122
pT42500.002
LNM rate
pTis00/4
pT16 (30)10/36, 27.8%0.8602
pT220 (43.4)29/72, 40.3%0.7312
pT3125 (55.6)5/11, 45.5%0.5112
pT422 (73.3)0
Surgical approach< 0.001
Macheen225123
Ivor-Lewis990