Table 1 Clinicopathological parameters and comparison between both groups
LPL resection (n = 103) | No LPL resection (n = 97) | p-value | |
|---|---|---|---|
Total number of lymph nodes resected per patient (median) | 35 | 25 | 0.001 |
Total number of LPL resected (median-range) | 5 (1–23) | 0 | |
Age (y) (mean – SD) | 63 (10.3) | 65 (10.9) | 0.266 |
Gender (n (%)) | |||
M | 81 (79) | 80 (83) | |
F | 21 (21) | 17 (17) | |
BMI (kg / m2) (median – range) | 24.8 (14.9–46) | 25.7 (13.8–36) | 0.295 |
Co-morbidity (n (%)) | 0.117 | ||
No comorbidity | 30 (29) | 19 (20) | |
Comorbidity | 73 (71) | 78 (80) | |
ASA score (n (%)) | 0.592 | ||
2 | 48 (47) | 40 (41) | |
3 | 52 (50) | 52 (54) | |
4 | 3 (3) | 5 (5) | |
Preoperative Lymph Node Status (cN) (n (%)) | 0.568 | ||
cN0 | 26 (25) | 33 (34) | |
cN1 | 61 (59) | 49 (51) | |
cN2 | 12 (12) | 11 (12) | |
cN3 | 1 (1) | 0 (0) | |
cNx | 3 (3) | 3 (3) | |
Tumor depth (n (%)) | 0,683 | ||
T0 | 18 (17.5) | 19 (19.6) | |
T1 | 13 (12.6) | 20 (20.6) | |
T2 | 15 (14.6) | 11 (11.3) | |
T3 | 54 (52.4) | 45 (46.4) | |
T4 | 3 (2.9) | 2 (2.1) | |
Tumor location (n (%)) | 0.728 | ||
Upper esophageal | 3 (3) | 2 (2) | |
Middle esophageal | 19 (18) | 13 (13) | |
Lower esophageal | 55 (54) | 58 (60) | |
Cardia | 26 (25) | 24 (25) | |
Tumor type (n (%)) | 0.681 | ||
Adenocarcinoma | 72 (70) | 71 (73) | |
Squamous cell carcinoma | 29 (28) | 24 (25) | |
Melanoma | 1 (1) | 0 (0) | |
Neuro-endocrine | 1 (1) | 1 (1) | |
No viable tumor cells | 0 (0) | 1 (1) | |
Neoadjuvant treatment (n (%)) | 0.051 | ||
No therapy | 16 (16) | 26 (27) | |
Therapy | 87 (84) | 71 (73) | |