CARES Surgical Risk Calculators of Chan et al: ICU Stay

Description

Chan et al reported the CARES Surgical Risk Calculators for evaluating a surgical patient. These can help to identify a patient who may require more aggressive management. The authors are from Singapore General Hospital, University of Singapore and Duke-NUS Medical School in Singapore.

CARES stands for Combined Assessment of Risk Encountered in Surgery

Patient selection: surgical patient >= 18 years of age

Outcome: ICU > 24 hours after surgery

Parameters:

(1) age in years

(2) surgical risk

(3) anemia status

(4) sex

(5) congestive heart failure

(6) ASA classification

(7) surgical acuity

Parameter	Finding	Points
age in years	18 to 29	0
	30 to 49	1
	50 to 74	2
	75 to 84	2
	>= 85	2
surgical risk	low	0
	moderate	3
	severe	3
anemia	none	0
	mild	1
	moderate	2
	severe	2
sex	female	0
	male	1
congestive heart failure	absent	0
	present	1
ASA	1 or 2	0
	3	3
	4	4
surgical acuity	elective	0
	emergency	2

total score =

= SUM(points for all 7 parameters)

Interpretation:

• minimum score: 0

• maximum score: 15

• The higher the score the greater the risk for a prolonged ICU stay after surgery.

Performance:

• The area under the ROC curve was 0.87.

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CARES Surgical Risk Calculators of Chan et al: ICU Stay

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