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Table 1 Characteristics of the ESCC patients

From: Preoperative Cyfra21-1 and SCC-Ag serum titers predict survival in patients with stage II esophageal squamous cell carcinoma

Characteristics

No. of patients (%) (n = 379)

Age, years†

 

 ≤ 60

128 (33.8%)

 > 60

251 (66.2%)

Sex

 

 Male

221 (58.3%)

 Female

158 (41.7%)

Operative procedure

 

 Left thoracotomy

253 (66.8%)

 Ivor-Lewis/Three-field technique‡

126 (33.2%)

Tumor location

 

 Upper

20 (5.3%)

 Middle

260 (68.6%)

 Lower

99 (26.1%)

Tumor Grade

 

 Grade 1

80 (21.1%)

 Grade 2

250 (65.9%)

 Grade 3

49 (13.0%)

Pathological T status

 

 T1

39 (10.3%)

 T2

213 (56.2%)

 T3

127 (33.5%)

Pathological N status

 

 N0

127 (33.5%)

 N1

252 (66.5%)

Pathological TNM stage

 

 Stage IIA

127 (33.5%)

 Stage IIB

252 (66.5%)

Cyfra21-1 level

 

 Low (≤3.30 ng/ml)

198 (52.2%)

 High (>3.30 ng/ml)

181 (47.8%)

SCC-Ag level

 

 Low (≤1.5 μg/L)

103 (27.2%)

 High (>1.5 μg/L)

276 (72.8%)

  1. Abbreviation: T, tumor; N, node; TNM, tumor-node-metastasis.
  2. † Median age; ‡Thoracic-abdominal-cervical incision.