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Table 2 Pathologic parameters of the intracorporeal and extracorporeal anastomosis groups

From: Comparison of short-term and medium-term outcomes between intracorporeal anastomosis and extracorporeal anastomosis for laparoscopic left hemicolectomy

  IAa (n = 40) EAb (n = 77) p-value
p T stage
 T0 2 (5) 0 (0) 0.067
 T1 9 (22.5) 12 (15.6)  
 T2 6 (15) 10 (13)  
 T3 22 (55) 40 (51.9)  
 T4a 1 (2.5) 12 (15.6)  
 T4b 0 (0) 3 (3.9)  
p N stage
 N0 30 (75) 50 (64.9) 0.25
 N1 10 (25) 19 (24.7)  
 N2 0 (0) 8 (10.4)  
TNM stage    0.179
 Stage 0 2 (5) 0 (0)  
 Stage 1 9 (22.5) 21 (27.3)  
 Stage 2 18 (45) 29 (37.7)  
 Stage 3 11 (27.5) 27 (35.1)  
Differentiation, n (%)    0.456
 Well 6 (15) 6 (7.8)  
 Medium 30 (75) 64 (83.1)  
 Poor 4 (10) 7 (9.1)  
Angiolymphatic invasion, n (%) 9 (22.5) 18 (23.4) 0.915
Perineural invasion, n (%) 6 (15) 19 (24.7) 0.226
Tumor size (cm)
 Width 3.0 ± 1.8 3.5 ± 2.3 0.223
 Length 2.7 ± 1.7 3.0 ± 1.6 0.409
Specimen length (cm) 17.7 ± 5.8 17.6 ± 5.9 0.951
Nearest margin (cm) 5.0 ± 2.3 4.8 ±1.9 0.593
Harvested lymph nodes (n) 25.0 ± 10.2 32.2 ± 22.3 0.058
  1. Abbreviations: aIntracorporeal anastomosis, bExtracorporeal anastomosis