Table 1 Patient demographic characteristics
From: Laparoscopic gastric dissociation using a two-port approach in minimally invasive esophagectomy
Variables | All patients | Propensity-matched patients | ||||
|---|---|---|---|---|---|---|
Modified two-port McKeown procedure (n = 106) | Traditional five-port McKeown procedure (n = 100) | p-value | Modified two-port McKeown procedure (n = 91) | Traditional five-port McKeown procedure (n = 91) | p-value | |
Age (years) | 67.76 ± 8.84 | 66.38 ± 7.58 | 0.230 | 66.66 ± 8.42 | 66.90 ± 7.55 | 0.839 |
Sex | 0.191 | 1.000 | ||||
Male | 92 (86.8%) | 80 (80.0%) | 77 (84.6%) | 77 (84.6%) | ||
Female | 14 (13.2%) | 20 (20.0%) | 14 (15.4%) | 14 (15.4%) | ||
BMI (kg/m2) | 21.96 ± 2.80 | 22.21 ± 2.70 | 0.508 | 21.90 ± 2.86 | 22.13 ± 2.77 | 0.580 |
Smoking | 23 (21.7%) | 19 (19.0%) | 0.633 | 18 (19.8%) | 17 (18.7%) | 0.852 |
ASA grade | 0.742 | 0.489 | ||||
I–II | 85 (80.2%) | 80 (80.0%) | 79 (86.8%) | 80 (87.9%) | ||
III | 21 (19.8%) | 20 (20.0%) | 12 (13.2%) | 11 (12.1%) | ||
Comorbidity | ||||||
Hypertension | 13 (12.3%) | 15 (15.0%) | 0.443 | 11 (12.1%) | 11 (12.1%) | 1.000 |
Diabetes | 8 (7.5%) | 6 (6.0%) | 0.881 | 7 (7.7%) | 6 (6.6%) | 0.775 |
Chronic lung disease | 5 (4.7%) | 7 (7.0%) | 0.487 | 5 (5.5%) | 6 (6.6%) | 0.757 |
Arrhythmia | 6 (5.7%) | 5 (5.0%) | 0.834 | 5 (5.5%) | 5 (5.5%) | 1.000 |
Other comorbidities | 5 (4.7%) | 2 (2.0%) | 0.279 | 4 (4.4%) | 2 (2.2%) | 0.409 |
Tumor location | 0.466 | 0.525 | ||||
Upper | 2 (1.9%) | 10 (10.0%) | 2 (2.2%) | 8 (8.8%) | ||
Middle | 65 (61.3%) | 51 (51.0%) | 53 (58.2%) | 46 (50.5%) | ||
Lower | 39 (36.8%) | 39 (39.0%) | 36 (39.6%) | 37 (40.7%) | ||
Preoperative therapy | 0.114 | 0.098 | ||||
ESD | 5 (4.7%) | 1 (1.0%) | 5 (5.5%) | 1 (1.1%) | ||
Neoadjuvant chemotherapy | 2 (1.9%) | 0 (0.0%) | 2 (2.2%) | 0 (0.0%) | ||