Table 1.
Baseline characteristics (n = 274)
| RAMIE (n = 51) n (%) | HYBRID (n = 59) n (%) | OTE (n = 164) n (%) | p value | |
|---|---|---|---|---|
| Age, years | p = 0.512 | |||
| < 65 | 32 (62.7) | 34 (57.6) | 93 (56.7) | |
| 65–75 | 14 (27.5) | 16 (27.1) | 57 (34.8) | |
| > 75 | 5 (9.8) | 9 (15.3) | 14 (8.5) | |
| Sex | p = 0.686 | |||
| F | 7 (13.7) | 10 (16.9) | 32 (20) | |
| M | 44 (86.3) | 49 (83.1) | 132 (80) | |
| Ethnicity | ||||
| White | 51 (100) | 59 (100) | 164 (100) | |
| BMI, kg/m2 | p = 0.121 | |||
| < 20 | 1 (2.0) | 5 (8.5) | 19 (11.6) | |
| 20–30 | 34 (66.7) | 44 (74.6) | 111 (67.7) | |
| > 30 | 16 (31.4) | 10 (16.9) | 34 (20.7) | |
| ASA score | p = 0.903 | |||
| 1 | 2 (3.9) | 2 (3.4) | 7 (4.3) | |
| 2 | 27 (52.9) | 38 (64.4) | 96 (58.5) | |
| 3 | 22 (43.1) | 19 (32.2) | 59 (36.0) | |
| 4 | 0 (0) | 0 (0) | 2 (1.2) | |
| Type of carcinoma | p = 0.170 | |||
| Adenocarcinoma | 45 (88.2) | 48 (81.3) | 125 (76.2) | |
| Squamous cell carcinoma | 6 (11.8) | 11 (18.7) | 39 (23.8) | |
| Locations of tumor | p = 0.890 | |||
| Upper third | 0 (0) | 1 (1.7) | 4 (2.4) | |
| Middle third | 3 (5.9) | 4 (6.8) | 15 (9.1) | |
| Gastroesophageal junction | 48 (94.1) | 54 (91.5) | 145 (88.4) | |
| Neoadjuvant therapy | p = 0.094 | |||
| Chemotherapy | 20 (39.2) | 16 (27.1) | 39 (23.8) | |
| Chemoradiotherapy | 24 (47.1) | 37 (62.7) | 90 (54.9) | |
| None | 7 (13.7) | 6 (10.1) | 35 (21.3) | |
| Charlson Comorbidity Index | p = 0.196 | |||
| 2 | 1 (2.0) | 4 (6.8) | 18 (11.0) | |
| 3 | 10 (19.6) | 13 (22.0) | 29 (17.7) | |
| 4 | 11 (21.6) | 17 (28.8) | 54 (32.9) | |
| 5 | 16 (31.4) | 12 (20.3) | 42 (25.6) | |
| 6 | 8 (15.7) | 7 (11.9) | 12 (7.3) | |
| 7 | 2 (3.9) | 5 (8.5) | 7 (4.3) | |
| 8 | 2 (3.9) | 1 (1.7) | 1 (0.6) | |
| 9 | 1 (2.0) | 0 (0) | 1 (0.6) | |
| T-status pretherapeutic | p = 0.587 | |||
| T1 | 7 (13.7) | 6 (10.2) | 18 (11.0) | |
| T2 | 10 (19.6) | 20 (33.9) | 47 (28.7) | |
| T3 | 33 (64.7) | 33 (55.9) | 98 (59.8) | |
| T4 | 1 (2.0) | 0 (0) | 1 (0.6) | |
| N-status pretherapeutic | p = 0.883 | |||
| N0 | 9 (17.6) | 12 (20.3) | 29 (17.7) | |
| N+ | 42 (82.4) | 47 (79.7) | 135 (82.3) |
BMI body mass index, ASA American Society of Anesthesiologists