Risk Score of Li et al for Postoperative Delirium After Major Abdominal Surgery

Description

Li et al reported a risk score for predicting delirium occurring after major abdominal surgery. This can help to identify a patient at higher risk based on preoperative factors. The authors are from the Characteristic Medical Center of the PLA Rocket Force in Beijing.

Patient selection: major abdominal surgery

Parameters:

(1) age classification

(2) cardiac arrhythmias

(3) serum albumn

(4) coagulopathy

(5) cognitive impairment or mental illness

(6) surgical Apgar score, from 0 to 10 (best)

Parameter	Finding	Points
age classification	< 65 years	0
	65 to 74 years	1
	75 to 84 years	2
	>= 85 years	3
arrhythmia	no	0
	yes	1
serum albumin	> 30 g/L	0
	<= 30 g/L	2
coagulopathy	no	0
	yes	2
cognitive impairment or mental illness	no	0
	yes	4
surgical Apgar score		10 - (score)

total score =

= SUM(point for all of the parameters)

Interpretation:

• minimum score: 0

• maximum score: 22

• The higher the score the greater the risk of postoperative delirium.

Score	Delirium
0	0%
2	3%
4	6.5%
6	13.7%
8	35.9%
10	62%
12	78%
14	93%
>= 16	98-100%

Performance:

• The area under the ROC curve is 0.82.

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Risk Score of Li et al for Postoperative Delirium After Major Abdominal Surgery

Description

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