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Table 2 Surgical results in No drainage and drainage patients

From: Laparoscopic cholecystectomy after endoscopic trans-papillary gallbladder stenting for acute cholecystitis: a pilot study of surgical feasibility

  No drainage (n = 123) Drainage (n = 28) P
Operation time (min) 127(64–417) 209 (107–357) < 0.0001
Blood loss (ml) 8 (1–195) 21 (2–180) 0.0061
Conversion to open surgery 5(4%) 4(14%) 0.0392
Confirmation of CVS
 Yes 117 20 < 0.0001
 No 6 8
Closure of the cystic duct
 Clipping 117 16 < 0.0001
 Ligation 6 9
ASA
 1 54 8 0.118
 2 48 12
 3 17 8
Postoperative complication Clavien–Dindo criteria
 Grade I 116 24 0.403
 Grade II 4 4
 Grade IIIa,b 3 0
Postoperative stay 5(3–25) 8(4–24) 0.0063
  1. CVS critical view of safety
  2. Data are median (range) or number (%)
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