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Table 1 Patient and tumor characteristics

From: Long-term results of extended intersphincteric resection for very low rectal cancer: a retrospective study

  Group I Group II P value
No. of patients 24 38  
Mean age (yr)a 56.8 (10.4) 57.3 (11.7)  
Gender    
 Male
 Female
15
9
23
15
 
Distalsurgicalmargin (cm)a 1.69 (0.12) 1.58 (0.15) 0.056
Lateral surgical margin 0 (0) 0 (0) 0.87
  < 1 mm
 1-3 mm
  > 3 mm
5 (20.9)
19 (79.1)
6 (15.8)
32 (84.2)
yTNM stage    <0.05
 Stage I
 Stage II
 Stage III
19 (79.2)
0 (0)
5 (20.8)
0 (0)
22 (57.9)
16 (42.1)
  1. aData are mean (SD)
  2. Data are presented as number or number (%)