Table 4 Survival analysis for 89 Patients With pT1 Ampullary Cancer

Age

0.756

______

  <65

69.0%

44.1%

  ≥65

67.0%

41.0%

Gender

0.880

______

  Female

69.3%

43.3%

  Male

67.1%

40.6%

Jaundice

0.683

______

  Positive

59.1%

39.8%

  Negative

68.3%

49.1%

Gross morphology

0.006

1 2.536 (1.351-4.860)

0.004

  Polypoid

75.8%

48.0%

  Ulcerative

44.2%

29.5%

Tumor size

0.016

1 2.204 (1.171-4.148)

0.014

  ≤1 cm

78.8%

50.9%

  >1 cm

54.7%

37.7%

Tumor grade

0.017

1 4.213 (1.868-9.504)

0.001

  Well

88.1%

61.1%

  Moderate/poor

56.8%

34.6%

Lymph node metastasis

<0.001

1 4.362 (2.126-8.952)

<0.001

  Negative

74.4%

49.4%

  Positive

32.1%

0.0%

Lymphovascular invasion

<0.001

<0.001

  Negative

69.4%

51.l%

1

  Positive

33.2%

12.1%

4.258 (2.013-8.861)

Perineural invasion

<0.001

<0.001

  Negative

72.1%

45.6%

1

  Positive

36.8%

15.3%

4.467 (2.315-9.034)

Operation style

0.639

0.549

Pancreaticoduodenectomy

65.6%

38.7%

1

Local ampullectomy

64.6%

42.6%

1.372 (0.854-1.762)