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Table 3 Pathological characteristics after curative resection

From: Hand-assisted laparoscopic surgery compared with open resection for mid and low rectal cancer: a case-matched study with long-term follow-up

  Open HALS P value
(n = 116) (n = 116)  
Pathological TNM stage    0.711b
  CR 1 (0.9) 1 (0.9)  
  0 2 (1.7) 1 (0.9)  
  I 30 (25.9) 27 (23.3)  
  II 46 (39.6) 52 (44.8)  
  III 37 (31.9) 35 (30.2)  
T stage    0.641c
  T0 1 (0.9) 1 (0.9)  
  Tis 2 (1.7) 1 (0.9)  
  T1 11 (9.5) 17 (14.6)  
  T2 31 (26.7) 29 (25)  
  T3 71 (61.2) 68 (58.6)  
N stage    0.578
  N0 79 (68.1) 81 (69.8)  
  N1 17 (14.7) 12 (10.4)  
  N2 20 (13.8) 23 (12.9)  
Grade of differentiation    0.687
  Well 12 (10.3) 18 (15.5)  
  Moderate 80 (69.0) 75 (64.7)  
  Poor 17 (1.7) 16 (13.8)  
  Mucinous 5 (4.3) 6 (5.2)  
  Unknown 2 1  
Isolated lymph nodes 12.2 ± 3.5 13.5 ± 4.6 0.342
CRM    0.374a
  Involved (≤1 mm) 8 (5.4) 4 (3.4)  
  Noninvolved (>1 mm) 99 (85.3) 101 (87.1)  
  Missing 9 11  
Distal margin involvedc 0 (0) 1 (1.0) 1.000a
  1. CR Complete response, CRM Circumferential resection margin
  2. aFisher exact test
  3. bCR, TNM stage 0, and stage I were combined for statistical analysis
  4. cT0, Tis, and T1 were combined for statistical analysis