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Table 2 Surgical outcomes and early complications

From: Long-term oncological outcomes of low anterior resection for rectal cancer with and without preservation of the left colic artery: a retrospective cohort study

  HL
(n = 295)
LL
(n = 221)
P value
Surgical approach [n (%)]    0.425
 Laparoscopic surgery 250 (84.7) 192 (86.9)  
 Open surgery 40 (13.6) 23 (10.4)  
 Laparoscopic conversed to open surgery 5 (1.7) 6 (2.7)  
Surgical resection    0.454
 PME 89 (30.2) 60 (27.1)  
 TME 206 (69.8) 161 (72.9)  
Operating time: minutes 211.7 ± 44.5 224.7 ± 32.7 0.039
Operative bleeding: ml 70.0 ± 23.5 76.0 ± 39.4 0.252
Splenic flexure mobilization [n (%)] 18 (6.1) 29 (13.1) 0.006
Postoperative mortality [n (%)] 4 (1.4) 2 (0.9) 0.884 a
Postoperative complication morbidity b [n (%)]    0.788
 Mild c 78 (26.4) 64 (29.0)  
 Severe d 35 (11.9) 27 (12.2)  
Anastomotic level from anal verge: cm 5.6 ± 2.1 5.9 ± 2.0 0.418
Protective ileostomies [n (%)] 71 (24.1) 66 (29.9) 0.140
Anastomotic bleeding [n (%)] 16 (5.4) 13 (5.9) 0.823
Anastomotic stenosis [n (%)] 7 (2.4) 5 (2.3) 0.934
Anastomotic leakage e [n (%)]    0.202
 Grade B 32 (10.8) 14 (6.3)  
 Grade C 7 (2.4) 5 (2.3)  
Reoperation 7 (2.4) 4 (1.8) 0.691 a
Postoperative hospital stay: days 6.4 ± 2.4 7.1 ± 4.1 0.155
  1. Abbreviations: HL High ligation, LL Low ligation, PME Partial mesorectal excision, TME Total mesorectal excision
  2. a Using Fisher’s Exact Probability Tests
  3. b Within 30 days of discharge
  4. c Clavien-Dindo classification ≤ II was considered as mild complication,
  5. d Clavien-Dindo classification≥ III was considered as Severe complication
  6. e According to International Study Group of Rectal Cancer, ISREC