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Table 5 Clinicopathological features and tumour outcomes of patients with positive neurological invasion

From: Colon metal stents as a bridge to surgery had no significant effects on the perineural invasion: a retrospective study

 

PNI(+)(n = 47)

PNI(−)(n = 59)

P

Age (year)a

61.98 ± 10.898

64.22 ± 13.680

0.219

BMIa

22.57 ± 2.465

22.49 ± 3.235

0.173

Sex (%)a

  

0.880

 Male

28 (59.6)

36 (61.0)

 

 Female

19 (40.4)

23 (39.0)

 

Tumour diametera (cm)

4.45 ± 1.364

4.86 ± 1.514

0.572

T stage(%)b

  

0.466

 T3

16 (30.0)

24 (40.7)

 

 T4a

27 (37.5)

33 (55.9)

 

 T4b

4 (8.5)

2 (4.4)

 

N stage(%)b

  

0.003

 N0

10 (21.3)

29 (49.2)

 

 N1

20 (42.6)

22 (32.3)

 

 N2

17 (36.1)

8 (13.5)

 

TNM stage(%)b

  

0.012

 IIA

5 (10.6)

13 (22.0)

 

 IIB

5 (10.6)

15 (25.4)

 

 IIIB

19 (40.4)

24 (40.7)

 

 IIIC

10 (21.3)

4 (6.8)

 

 IV

8 (17.0)

3 (5.0)

 

Vascular invasion (%)b

  

0.000

 No

20 (42.6)

56 (94.9)

 

 Yes

27 (57.4)

3 (5.1)

 

Total number of lymph nodesa

20.87 ± 11.301

22.05 ± 7.765

0.211

Number of positive lymph nodesa

4.23 ± 6.005

1.54 ± 2.028

0.001

Primary tumour site

  

0.728

 Left colon

23 (48.9)

33 (55.9)

 

 Right colon

15 (31.0)

15 (25.4)

 

 Rectum

9 (19.1)

11 (18.6)

 
  1. at-test
  2. bChi-square test