From: Radiation field size and dose determine oncologic outcome in esophageal cancer
Patient characteristics | Pre-CRT (n = 25) | Def-CRT (n = 49) | P value | ||
---|---|---|---|---|---|
N | (%) | n | (%) | ||
Age, years | |||||
 Median | 53 ± 10.7 | 58.6 ± 12.1 | 0.055 | ||
 Range | 32–67 | 30–82 | |||
 Gender (female/male) | 17/8 |  | 28/21 |  | 0.37 |
Clinical T stage | |||||
 3 | 13 |  | 29 |  | 0.56 |
 4 | 12 |  | 20 |  | |
Nodal stage | |||||
 0 | 8 |  | 17 |  | 0.82 |
 1 | 17 |  | 32 |  | |
Histology | |||||
 Adenocarcinoma | 2 |  | 6 |  | 0.58 |
 Squamous cell carcinoma | 23 |  | 43 |  | |
Esophageal location | |||||
 Cervical | 0 |  | 7 |  | 0.15 |
 Upper | 0 |  | 4 |  | |
 Middle | 13 |  | 18 |  | |
 Lower | 12 |  | 20 |  |