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Table 1 Clinicopathological characteristics of node-negative patients (n = 101)

From: Pattern of recurrence and prognostic factors in patients with pT1-3 N0 esophageal squamous cell carcinoma after surgery: analysis of a single center experience

Characteristic

All (%)

Recurrence (+) (%)

Recurrence (−) (%)

P-value

n = 101

n = 19

n = 82

Age (year)a

  < 64

46 (45.5)

8 (42.1)

38 (46.3)

0.738

  ≥ 64

55 (54.5)

11 (57.9)

44 (53.7)

 

Gender

 Male

78 (77.2)

18 (94.7)

60 (73.2)

0.065

 Female

23 (22.8)

1 (5.3)

22 (26.8)

 

Smoking history

 Present

50 (49.5)

10 (52.6)

40 (51.2)

0.762

 Absent

51 (50.5)

9 (47.4)

42 (48.8)

 

Surgical approach

 Left-sided

45 (44.6)

7 (36.8)

38 (46.3)

0.453

 Right-sided

56 (55.4)

12 (63.2)

44 (53.7)

 

Tumor location

 UT

11 (10.9)

5 (26.3)

6 (7.3)

0.041*

 MT

58 (57.4)

11 (57.9)

47 (57.3)

 

 LT+ EGJ

32 (31.7)

3 (15.8)

29 (35.4)

 

Tumor size (cm)a

  < 3

47 (47.5)

6 (31.6)

41 (51.2)

0.123

  ≥ 3

52 (52.5)

13 (68.4)

39 (48.8)

 

pT Category

   

0.586

 0

1 (1.0)

0 (0.0)

1 (1.2)

 

 1

30 (29.7)

4 (21.1)

26 (31.7)

 

 2

20 (19.8)

4 (21.1)

16 (19.5)

 

 3

50 (49.5)

11 (57.8)

39 (47.6)

 

p TNM Stage

   

0.681

 0

1 (1.0)

0 (0.0)

1 (1.2)

 

 IA1

8 (7.9)

2 (10.5)

6 (7.3)

 

 IA2

22 (21.8)

2 (10.5)

20 (24.4)

 

 IB

20 (19.8)

4 (21.1)

16 (19.5)

 

 IIB

50 (49.5)

11 (57.8)

39 (47.6)

 
  1. EGJ gastroesophageal junction, LT lower thoracic, MT middle thoracic, TNM the AJCC Tumor Node Metastasis Classification of Carcinoma of the Esophagus and Esophagogastric Junction (8th Edition); UT upper thoracic
  2. athe median was used as the cutoff value
  3. *:P-value < 0.05