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Table 2 Differences in clinicopathological characteristics between intersphincteric resection (ISR) procedures

From: Analysis of the clinical factors associated with anal function after intersphincteric resection for very low rectal cancer

  Partial ISR, (n = 11) Subtotal ISR, (n = 4) Total ISR, (n = 14)
Sex    
Male 6 2 6
Female 6 2 8
Type of reconstruction    
Colonic J-pouch 9 4 13
Straight 3 0 1
Combined with partial ESR 0 2 2
Distance between the distal edge of the tumor and
the dentate line, mma
16.0 ± 4.6 5.0 ± 4.1 3.5 ± 5.1
Distal resection margin, mma 8.7 ± 6.0 9.5 ± 10.5 7.2 ± 5.4
CRM, mma 3.2 ± 2.7 4.8 ± 3.1 3.6 ± 2.1
No. of stoma closuresb 9 (81.8) 2 (50) 8 (57.1)
  1. aValues indicate mean ± SD.
  2. bData in parentheses represent percentage values in each group.
  3. CRM = circumferential resection margin; ESR = external sphincteric resection; ISR = intersphincteric resection.