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Table 2 Demographic data and tumor characteristics (N = 11,791)

From: Current state of esophageal cancer surgery in China: a national database analysis

VariablesNumber (%)
Age (year, median)66.5 ± 3.2
Sex (M:F)6836:4955
Neoadjuvant therapy
 Chemotherapy + radiology728 (6.2)
 Chemotherapy1062 (9.0)
 Radiotherapy393 (3.3)
 Adjuvant chemotherapy2499 (21.2)
Location of the tumor
 Upper1638 (13.9)
 Middle7047 (59.8)
 Lower3106 (26.3)
Oncological stage (pTNM)
 Stage I2109 (17.9)
 Stage II3750 (31.8)
 Stage III5932 (50.3)
Margins
 R010,694 (90.7)
 R1696 (5.9)
 R2401 (3.4)
Pathological characteristic
 Squamous cell carcinoma11,096 (94.1)
 Adenocarcinoma563 (4.8)
 other132 (1.1)