Nomogram of Frost et al for Unplanned Admission to the Intensive Care Unit (ICU) Following an Emergency Admission

Description

Frost et al developed a nomogram for predicting an unplanned admission to the intensive care unit (ICU) for a patient following an emergency hospital admission. The authors are from Liverpool Hospital, University of Western Sydney, University of New South Wales and Curtin University of Technology in Australia.

Patient selection: adult 20 to 70 years of age with an emergency admission to the hospital

Parameters:

(1) age in years

(2) gender

(3) triage category

(4) acute renal failure

(5) lymphatic-hemopoietic disorder

(6) chronic airways disease

(7) sepsis

(8) pneumonia

(9) pancreatitis

(10) bowel obstruction

(11) peripheral vascular disease

(12) dementia

(13) connective tissue disease

(14) liver disease

(15) renal disease (other than acute renal failure)

Age of the Patient	Points
15 to 45 years	(0.455 * (age)) - 6.675
45 to 70 years	(-0.006869 * ((age)^2)) + (0.9712 * (age)) - 16.11

Parameter	Finding	Points
gender	female	0
	male	2.5
triage category	non-urgent	0
	semi-urgent	0
	urgent	5.2
	emergency	7.5
	resuscitation	16.6
acute renal failure	no	0
	yes	6.5
lymphatic-hematopoietic	no	0
	yes	20
chronic airways disease	no	0
	yes	5
sepsis	no	0
	yes	7.3
pneumonia	no	0
	yes	5.4
pancreatitis	no	0
	yes	11.1
bowel obstruction	no	0
	yes	13.1
peripheral vascular disease	no	0
	yes	1.6
dementia	no	0
	yes	3.5
connective tissue disease	no	0
	yes	2.3
liver disease	no	0
	yes	3.1
renal disease	no	0
	yes	3.1

total score =

= SUM(points for all 15 parameters)

Interpretation:

• minimum score: 0

• maximum score: > 100

• The higher the score the more likely that the patient will have an unplanned admission to the ICU.

Points	Percent with Unplanned ICU Admission
< 23.9	< 1%
23.9 to 58.7	(0.0182 * ((points)^2)) - (0.9794 * (points)) + 14.4
> 58.7	> 20%

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Description

Specialty

ICD-10