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Table 4 Intra- and postoperative adverse events of the different HOUSE-classes

From: The H.O.U.S.E. classification: a novel endoscopic retrograde cholangiopancreatography (ERCP) complexity grading scale

  TOTAL HOUSE 1 HOUSE 2 HOUSE 3 P
n = 1931 n = 1124 n = 541 n = 266
  Intraoperative (%)  
Intraoperative (all) 4.2 4.2 3.9 5.3 0.6489
Bleeding 1.2 1.7 0.4 0.8 0.0519
Extravasation of contrast 1.8 0.9 3.0 3.0 0.0027
  Postoperative (%)  
Postoperative (all) 12.6 11.1 15.7 12.8 0.0305
Pancreatitis 4.9 3.4 7.0 6.8 0.0016
Bleeding 2.5 2.9 1.9 1.9 0.3247
Infection with abscess 0.8 1.1 0.6 0.5 0.3792