Table 2

The Identification of Risk in Surgical Patients (IRIS) Score elements

Variable

Points


Age (years)


0-32

0


33-52

1


53-69

2


> 69

3


Acute admission


No

0


Yes

1


Acute surgery*


No

0


Yes

1


Severity of surgery**


0-3

0


4-7

1


IRIS: Identification of Risk in Surgical patients

* Surgery taking place within 24 h after admission

** Severity of surgery as defined by the Dutch Surgical Society classification of surgical procedures [22]

van der Sluis et al. BMC Surgery 2011 11:18   doi:10.1186/1471-2482-11-18

Open Data