Table 2 Demographic data and tumor characteristics (N = 11,791)
From: Current state of esophageal cancer surgery in China: a national database analysis
Variables | Number (%) |
|---|---|
Age (year, median) | 66.5 ± 3.2 |
Sex (M:F) | 6836:4955 |
Neoadjuvant therapy | |
 Chemotherapy + radiology | 728 (6.2) |
 Chemotherapy | 1062 (9.0) |
 Radiotherapy | 393 (3.3) |
 Adjuvant chemotherapy | 2499 (21.2) |
Location of the tumor | |
 Upper | 1638 (13.9) |
 Middle | 7047 (59.8) |
 Lower | 3106 (26.3) |
Oncological stage (pTNM) | |
 Stage I | 2109 (17.9) |
 Stage II | 3750 (31.8) |
 Stage III | 5932 (50.3) |
Margins | |
 R0 | 10,694 (90.7) |
 R1 | 696 (5.9) |
 R2 | 401 (3.4) |
Pathological characteristic | |
 Squamous cell carcinoma | 11,096 (94.1) |
 Adenocarcinoma | 563 (4.8) |
 other | 132 (1.1) |