Colorectal POSSUM Score for Patient Undergoing Colorectal Surgery

Parameter

Finding

Points

age in years

<= 60 years

1

61 to 70 years

3

71 to 80 years

4

>= 81 years

8

cardiac failure

none

1

mild

1

moderate

2

severe

3

systolic blood pressure

< 90 mm Hg

3

90 to 99 mm Hg

2

100 to 170 mm Hg

1

> 170 mm Hg

2

heart rate

< 40 beats per minute

3

40 to 100 beats per minute

1

101 to 120 beats per minute

2

> 120 beats per minute

3

serum urea

<= 10.0 mmol/L

1

10.1 to 15.0 mmol/L

2

> 15.0 mmol/L

3

hemoglobin

< 10.0 g/dL

3

10.0 to 12.9 g/dL

2

13.0 to 16.0 g/dL

1

16.1 to 18.0 g/dL

2

> 18.0 g/dL

3

Parameter

Finding

Points

operative severity

minor

1

intermediate

3

major

4

complex major

8

peritoneal soiling

none

1

serous fluid

1

local pus

2

free pus

3

feces

3

operative urgency

elective

1

urgent

3

emergency

8

cancer stage

none

1

Duke A

1

Duke B

1

Duke C

2

Duke D

3