Table 2.
Intraoperative and Postoperative characteristics of the two groups.
| Surgical approaches (%) | P-value | ||
|---|---|---|---|
| Right (N = 202) | Left (N = 235) | ||
| Intraoperative Data | |||
| Median operative time (min) | 250 | 190 | <0.001* |
| Mean operative time (SD) (min) | 293.02 (314.94) | 201.77 (48.76) | <0.001* |
| Mean blood loss (SD) (mL) | 236.61 (239.18) | 220.54 (189.23) | 0.708 |
| Median lymph nodes retrieved (range) N | 25 (8–60) | 21 (8–54) | 0.002* |
| R1/R2 resection N (%) | 2(1.04) | 0 | 0.238 |
| Level of anastomosis N (%) | 0.800 | ||
| Cervical | 201 (100) | 221 (96.09) | |
| Thoracic | 0 (0) | 9 (3.91) | |
| Anastomosis method N (%) | 0.001* | ||
| Manual anastomosis | 85 (42.08) | 123 (52.34) | |
| Mechanical anastomosis | 105 (51.98) | 111 (47.23) | |
| Semi-mechanical anastomosis | 12 (5.94) | 1 (0.43) | |
| Postoperative data | |||
| Median postoperative hospital stay days (range) | 17 (7–68) | 14 (4–75) | <0.001* |
| Median mediastinal tube drainage days (range) | 7 (3–34) | 7 (3–28) | 0.175 |
| Myocardial arrhythmia N (%) | 20 (9.90) | 35 (14.89) | 0.117 |
| Pneumonia N (%) | 34 (16.83) | 26 (11.06) | 0.081 |
| Anastomotic leakage N (%) | 4 (1.98) | 5 (2.13) | >0.999 |
| In hospital mortality/90-days mortality N (%) | 0 | 0 | NA |
| Pathological data | |||
| pT stage T (%) | 0.950 | ||
| T1b | 9 (4.46) | 23 (9.79) | |
| T2 | 56 (27.72) | 46 (19.57) | |
| T3 | 112 (55.45) | 138 (58.72) | |
| T4 | 25 (12.38) | 28 (11.91) | |
| pN stage N (%) | 0.546 | ||
| N0 | 111 (54.95) | 143 (60.85) | |
| N1 | 56 (27.72) | 61 (25.96) | |
| N2 | 27 (13.37) | 25 (10.64) | |
| N3 | 8 (3.96) | 6 (2.55) | |
| pTNM staging 7th N (%) | 0.398 | ||
| IA | 6 (3.02) | 11 (4.85) | |
| IB | 33 (16.58) | 43 (18.94) | |
| IIA | 31 (15.58) | 28 (12.33) | |
| IIB | 40 (20.10) | 52 (22.91) | |
| IIIA | 40 (20.10) | 43 (18.94) | |
| IIIB | 17 (8.54) | 17 (7.49) | |
| IIIC | 32 (16.08) | 33 (14.54) | |
MIE, minimally invasive esophagectomy; OE, open esophagectomy; N, number; SD, standard deviation; NA, Not Available; pN, pathological lymph nodes; pTNM, tumor/node/metastasis.
*
Statistically significant (p < 0.05).