Decision Modeler Report

COVID19 Critical Illness Model Petrilli

Published: 4/22/2020

By: John Svirbely MD

Table of Contents

COVID19 Critical Illness Model Petrilli

Overview

COVID19 CART Critical Illness Petrilli

Decision Requirement Diagram

Elements

COVID19 Critical Illness Model Petrilli

Overview

Petrilli et al evaluated patients with COVID-19 who required critical care. They identified risk factors that can help to identify a patient who may require more aggressive management. The authors are from New York University in New York City.

COVID19 CART Critical Illness Petrilli

Decision Requirement Diagram

Elements

Number of key risk factors for requiring critical care (Decision)

Decision Logic (Decision Table)

Number of key risk factors for requiring critical care

C+

Plasma DDimer in ng per mL

Serum ferritin in ng per mL

CRP in mg per liter

Oxygen saturation in percent

Number of key risk factors for requiring critical care

Description

[0..10000]
[0..100000]
[0..2000]
[10..100]

1

<=2500

-

-

-

0

2

>2500

-

-

-

1

3

-

<=2500

-

-

0

4

-

>2500

-

-

1

5

-

-

<=200

-

0

6

-

-

>200

-

1

7

-

-

-

>=88

0

8

-

-

-

<88

1


Percent of patients with critical illness (Decision)

Decision Logic (Decision Table)

Percent of patients with critical illness

F

Oxygen saturation in percent

Serum procalcitonin in ng per mL

Serum troponin in ng per mL

CRP in mg per liter

Age in Years

History of hypertension

Percent of patients with critical illness

Description

[10..100]
[0..50000]
[0..1000]
[0..2000]
[0..125]

1

<88

-

-

-

-

-

82

2

>=88

>0.5

<0.1

>200

-

-

70

3

>=88

>0.5

<0.1

<=200

-

-

43

4

>=88

>0.5

>=0.1

-

-

-

88

5

>=93

<=0.5

-

-

-

-

25

6

[88..93)

<=0.5

-

-

<=64

-

34

7

[88..93)

<=0.5

-

-

>64

false

65

8

[88..93)

<=0.5

-

-

>64

true

48


References (Knowledge Source)

Description

Petrilli CM, Jones SA, et al. Factors associated with hospitalization and critical illness among 4.103 patients with Covid-19 disease in New York City.2020 medRxiv preprint. doi.org: 10.1101/2020.04.08.20057794.

Plasma DDimer in ng per mL (Input Data)

Semantic Link

Hematology and Urine - Plasma DDimer in ng per mL

Serum ferritin in ng per mL (Input Data)

CRP in mg per liter (Input Data)

Semantic Link

Chemistry - CRP in mg per liter

Oxygen saturation in percent (Input Data)

Semantic Link

Demographics Vitals Pulmonary - Oxygen saturation in percent

Serum procalcitonin in ng per mL (Input Data)

Serum troponin in ng per mL (Input Data)

Age in Years (Input Data)

Semantic Link

Demographics Vitals Pulmonary - Age in Years

History of hypertension (Input Data)