Table 1 Characteristics of LNM in 1715 patients with TE-SCC
All patients | Location of esophageal tumor | |||||
|---|---|---|---|---|---|---|
Variable | Upper | Middle | Lower | χ2Value | P- value | |
Number of patients (%) | 1715 (100) | 274 (16.0) | 1281 (74.7) | 160 (9.3) | ||
Mean number of dissections | ||||||
Nodes per patient (range) | 25.8 (15-73) | 26.8 (15-68) | 25.7 (15-71) | 24.7 (15-73) | ||
Number of positive CLM (%) | 547 (31.9) | 121 (44.2) | 403 (31.5) | 23 (14.4) | 41.698 | <0.0001 |
Paraesophageal (101), n (%) | 487 (28.4) | 108 (39.4) | 358 (27.9) | 21 (13.1) | 34.843 | <0.0001 |
Deep cervical (102), n (%) | 20 (1.2) | 7 (2.6) | 12 (0.9) | 1 (0.6) | 5.575 | 0.062 |
Retropharyngeal (103), n (%) | 3 (0.2) | 2 (0.7) | 1 (0.1) | 0 (0.0) | 5.802 | 0.055 |
Supraclavicular (104), n (%) | 140 (8.2) | 31 (11.3) | 104 (8.1) | 5 (3.1) | 9.049 | 0.011 |