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Table 2 Oncological outcomes of the patients

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

CharacteristicSBTS (n = 43), n (%)/mean ± sdES (n = 63), n (%)/mean ± sdStatisticP
Primary tumour site  5.809b0.055
 Left colon25 (58.1)31 (49.2)  
 Right colon7 (16.3)23 (36.5)  
 Rectum11 (25.6)9 (14.3)  
Tumour differentiation 0.203b0.903
 High5 (11.6)7 (11.1)  
 Moderate30 (69.8)42 (66.7)  
 Poor8 (18.6)14 (22.2)  
T stage  0.256b0.905
 T317 (39.5)23 (36.5)  
 T4a24 (55.8)36 (57.1)  
 T4b2 (4.7)4 (6.3)  
N stage  0.987b0.611
 N016 (37.2)23 (36.5)  
 N115 (34.9)27 (42.9)  
 N212 (27.9)13 (20.6)  
TNM stage  0.51b0.972
 IIA8 (18.6)10 (15.9)  
 IIB7 (16.3)13 (20.6)  
 IIIB18 (41.9)25 (39.7)  
 IIIC6 (14.0)8 (12.7)  
 IV4 (9.3)7 (11.1)  
Total number of lymph nodes23.77 ± 10.4420.00 ± 8.4892.042a0.479
Number of positive lymph nodes3.12 ± 4.5372.48 ± 4.7040.698a0.478
Adjuvant chemotherapy  1.871a0.171
 No23 (53.5)42 (66.7)  
 Yes20 (46.5)21 (33.3)  
Perineural invasion  12.915b0.411
 No26 (60.5)33 (52.4)  
 Yes17 (39.5)30 (47.6)  
Vascular invasion  1.937b0.164
 No34 (79.1)42 (66.7)  
 Yes9 (20.9)21 (33.3)  
  1. at-test
  2. bChi-square test