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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