Table 1 Characteristics of 91 elderly patients with ESCC
From: Radiotherapy with S-1 for the treatment of esophageal squamous cell carcinoma 75 years or older
Characteristic | N (%) |
|---|---|
Age(y) | |
≤ 78 | 46(50.5%) |
> 78 | 45(49.4%) |
Sex | |
Male | 63(69.2%) |
Female | 28(30.7%) |
Stage (AJCC, 8th) | |
II | 36(39.5%) |
III | 42(46.1%) |
IVa | 13(14.2%) |
T stage | |
T2 | 41(45.0%) |
T3 | 38(41.7%) |
T4 | 12(13.1%) |
N stage | |
N0 | 8(8.7%) |
N1 | 71(78.0%) |
N2 | 11(12.0%) |
N3 | 1(1.0%) |
Tumor location | |
Upper (< 25 cm) | 20(21.8%) |
Middle (25 ~ 30 cm) | 58(63.7%) |
Lower (> 30 cm) | 13(14.2%) |
Tumor length, cm | |
≤ 4 | 40(43.9%) |
> 4 | 51(56.0%) |
ECOG score | |
0 ~ 1 | 88(96.7%) |
2 | 3(3.2%) |
Smoking history | |
Former or current | 46(50.5%) |
Never | 45(49.4%) |
Drinking history | |
Former or current | 37(40.7%) |
Never | 54(59.3%) |
Radiation dose | |
50.4 Gy | 37(40.7%) |
61.2 Gy | 54(59.3%) |