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Table 3 Demographics of patients categorized with lymph node status

From: The role of lymph nodes in predicting the prognosis of ampullary carcinoma after curative resection

Variables

Negative nodal status

Positive nodal status

P value

n = 122

n = 72

Age (years)

  

0.545

 Median

69

69.5

 

 Range

40–90

40–90

 Mean ± SD

66.7 ± 11.7

67.8 ± 10.8

Gender

  

0.880

 Male

76 (62.3 %)

44 (61.1 %)

 

 Female

46 (37.7 %)

28 (38.9 %)

Stage

  

<0.001

 I

64 (52.5 %)

0

 

 IIa

55 (45.1 %)

0

 IIb

0

55 (76.4 %)

 III

3 (2.4 %)

17 (23.6 %)

Tumor size

  

0.007

 Median

1.9

2.4

 

 Range

0.7–7.0

0.8–9.0

 Mean ± SD

2.2 ± 1.2

2.7 ± 1.5

Tumor differentiation

  

0.002

 Well

20 (17.1 %)

2 (2.9 %)

 

 Moderate

85 (72.6 %)

52 (74.3 %)

 Poorly

12 (10.3 %)

16 (22.9 %)

Lymphovascular invasion

  

<0.001

 No

109 (89.3 %)

44 (61.1 %)

 

 Yes

13 (10.7 %)

28 (38.9 %)

Perineural invasion

  

<0.001

 No

104 (85.2 %)

43 (69.7 %)

 

 Yes

18 (14.8 %)

29 (40.3 %)

  1. SD standard deviation