Table 1 Nerve infiltration in the pancreatic tumor microenvironment and its correlation with clinicopathological variables.

From: Tumor innervation and clinical outcome in pancreatic cancer

Parameters

Nerve negative

Nerve positive

Undefined

p-value

Pathology description

N (%)

 

Normal (n = 71)

20 (28)

3 (13)

48 (68)

0.74

Cancer (n = 99)

47 (47)

10 (10)

42 (42)

Cancer histological subtype

Ductal adenocarcinoma (n = 88)

40 (45)

10 (11)

38 (43)

0.33

Others (n = 11)

7 (64)

0 (0)

4 (36)

Sex

Male (n = 63)

26 (41)

5 (8)

32 (51)

1.0

Female (n = 36)

21 (58)

5 (14)

10 (28)

Age (years)

 ≤ 50 (n = 16)

8 (50)

3 (19)

5 (31)

0.38

 > 50 (n = 83)

39 (47)

7 (8)

37 (45)

Tumor grade

G1 (n = 11)

4 (36)

3 (27)

4 (36)

0.09

G2 + G3 (n = 88)

43 (49)

7 (8)

38 (43)

Tumor stage

0 + I (n = 40)

19 (47)

4 (10)

17 (42)

1.0

II + IV (n = 59)

28 (47)

6 (10)

25 (42)

Tumor size

T1 + T2 (n = 78)

37 (47)

8 (10)

33 (42)

1.0

T3 (n = 20)

10 (50)

2 (10)

8 (40)

Lymphatic metastasis status

Negative (n = 50)

25 (50)

4 (8)

21 (42)

0.45

Positive (n = 43)

18 (42)

5 (12)

20 (46)

Survival status (months)

Survival > 10 months (n = 49)

26 (53)

3 (6)

20 (41)

0.17

Survival ≤ 10 months (n = 50)

21 (42)

7 (14)

22 (44)

  1. p-values were calculated by the chi-squared test between nerve positive versus nerve negative samples. A tumor was considered positive only when nerves could be confirmed by using 3 neuronal markers (S-100, PGP9.5 and GAP-43).