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Table 1 Grades of intra-abdominal hypertension

From: Abdominal damage control surgery and reconstruction: world society of emergency surgery position paper

Grade

*IAP

Organ failure

I

12-15

Absent

II

16-20

Absent

III

21-25

Absent

IV

>25

Absent

**ACS

>20

Present

  1. *IAP = Intra-abdominal pressure.
  2. **ACS = Abdominal Compartment Syndrome.