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Table 1 Characteristics of 155 patients with esophageal squamous cell carcinoma receiving esophagectomy

From: SIRT1 overexpression is an independent prognosticator for patients with esophageal squamous cell carcinoma

Age median 55
mean 56.2
range 29~ 77
Sex male 150 (97%)
female 5 (3%)
Primary tumor location Upper 22 (14%)
Middle 60 (39%)
Lower 73 (47%)
T classification T1 48 (31%)
T2 31 (20%)
T3 61 (39%)
T4 15 (10%)
N classification N0 106 (68%)
N1 30 (19%)
N2 13 (9%)
N3 6 (4%)
7th AJCC Stage IA 7 (5%)
IB 37 (24%)
IIA 25 (16%)
IIB 43 (28%)
IIIA 15 (9%)
IIIB 6 (4%)
IIIC 18 (12%)
IV 4 (2%)
Histological grading Grade 1 16 (10%)
Grade 2 108 (70%)
Grade 3 31 (20%)
Surgical margin Negative 135 (87%)
Positive 20 (13%)
SIRT1 expression Low expression 78 (50%)
Overexpression 77 (50%)
  1. AJCC American Joint Committee on Cancer, SIRT1 Sirtuin1