Table 2 Survival analyses of overall survival for pediatric and adolescent pancreatic tumors

Age at diagnosis

195

> 14-year-old

111

Reference

≤ 14-year-old

84

0.982 (0.547–1.762)

0.952

Gender

195

Female

128

Reference

Reference

Male

67

1.803 (1.016–3.200)

0.044

1.035 (0.559–1.918)

0.912

Race

195

Others

49

Reference

White

146

0.951 (0.500–1.809)

0.878

Grade

195

Unknown

129

Reference

Reference

Low/moderate (I/II)

55

0.617 (0.293–1.301)

0.205

1.275 (0.545–2.981)

0.575

Poor/undifferentiated (III/IV)

11

2.877 (1.255–6.593)

0.013

1.301 (0.543–3.118)

0.555

Tumor size (cm)

195

≤ 5

38

Reference

> 5

37

0.769 (0.244–2.424)

0.654

Unknown

120

1.113 (0.490–2.528)

0.797

SEER stage

195

Localized

95

Reference

Reference

Regional

41

3.456 (1.010–11.817)

0.048

4.090 (1.134–14.758)

0.031

Distant

59

16.710 (5.944–46.977)

< 0.001

7.877 (2.675–23.197)

< 0.001

Surgery

195

Yes

136

Reference

Reference

No

59

7.810 (4.028–15.141)

< 0.001

3.005 (1.241–7.274)

0.015

Lymph nodes removed

195

Yes

83

Reference

Reference

No

112

3.830 (1.701–8.625)

0.001

1.541 (0.620–3.829)

0.351

Chemotherapy

195

No

135

Reference

Reference

Yes

60

5.592 (2.932–10.665)

< 0.001

1.471 (0.672–3.216)

0.334