Table 2.
Detailed demographics variables for all 146 patients the study group
| Variable | N | MIE (N = 82) | Open (N = 64) | p value |
|---|---|---|---|---|
| Agea | 146 | 67.0 (60.0–75.8) | 69.0 (62.8–75.0) | |
| Gender | 146 | 0.454 | ||
| F | 17 (21 %) | 9 (14 %) | 0.296 | |
| M | 65 (79 %) | 55 (86 %) | ||
| BMIa | 135 | 25.7 (23.5–29.3) | 25.1 (22.2–28.1) | |
| ASA | 146 | 0.246 | ||
| Unknown | 3 (4 %) | 9 (14 %) | 0.133 | |
| I | 1 (1 %) | 0 (0 %) | ||
| II | 28 (34 %) | 16 (25 %) | ||
| III | 47 (57 %) | 35 (55 %) | ||
| IV | 3 (4 %) | 4 (6 %) | ||
| CCI | 146 | |||
| 0 | 25 (30 %) | 29 (45 %) | 0.285 | |
| 1 | 31 (38 %) | 15 (23 %) | ||
| 2 | 12 (15 %) | 10 (16 %) | ||
| 3 | 8 (10 %) | 6 (9 %) | ||
| 4 | 3 (4 %) | 1 (2 %) | ||
| 5 | 2 (2 %) | 0 (0 %) | ||
| 6 | 1 (1 %) | 2 (3 %) | ||
| 8 | 0 (0 %) | 1 (2 %) | ||
| CCI-G | 146 | |||
| 0 | 25 (30 %) | 29 (45 %) | 0.285 | |
| 1 | 43 (52 %) | 25 (39 %) | ||
| 2 | 11 (13 %) | 7 (11 %) | ||
| 3 | 3 (4 %) | 3 (5 %) | ||
| Tumor location | 143 | |||
| GE junction | 61 (76 %) | 43 (68 %) | 0.458 | |
| Midesophagus | 2 (2 %) | 1 (2 %) | ||
| Unknown | 17 (21 %) | 19 (30 %) | ||
| Clinical stage | 141 | |||
| IIA: T2, N0, M0 or T3, N0, M0 | 20 (25 %) | 20 (33 %) | 0.055 | |
| IIB: T1, N1, M0 or T2, N1, M0 | 11 (14 %) | 3 (5 %) | ||
| III: T3, N1, M0 or T4, any N, M0 | 48 (60 %) | 33 (54 %) | ||
| Unknown | 1 (1 %) | 5 (8 %) | ||
| Neoadjuvant therapy | 146 | |||
| Yes | 74 (90 %) | 39 (61 %) | <0.001 | |
| No | 8 (10 %) | 25 (39 %) |
MIE minimally invasive esophagectomy, Open open (Ivor-Lewis) esophagectomy
aValues are median with interquartile range in parentheses