Decision Modeler Report

COVID19 Model of Yan for Mortality

Published: 4/14/2020

By: John Svirbely MD

Table of Contents

COVID19 Model of Yan for Mortality

Overview

COVID19 Mortality Risk Yan

Decision Requirement Diagram

Elements

COVID19 Model of Yan for Mortality

Overview

Yan et al reported a prognostic model for a patient with COVID19 in Wuhan, China, based on laboratory testing.

COVID19 Mortality Risk Yan

Decision Requirement Diagram

Elements

References (Knowledge Source)

Description

Yan L, Zhang H-T, et al. Prediction of criticality in patients with severe Covid-19 infection using three clinical features: a machine learning-based prognostic model with clinical data in Wuhan. 2020. doi: 10.1101/2020.02.27.20028027. medRxiv.org

Percent mortality associated with COVID19 (Decision)

Decision Logic (Decision Table)

Percent mortality associated with COVID19

F

Serum LDH in U per L

CRP in mg per liter

Percent lymphocytes in the peripheral blood differential

Percent mortality associated with COVID19

Description

[0..20000)
[0..2000]
[0..100]

1

>=365

-

-

98

2

<365

<41.2

-

0

3

<365

>=41.2

>14.7

25

4

<365

>=41.2

<=14.7

85


Serum LDH in U per L (Input Data)

Semantic Link

Chemistry - Serum LDH in U per L

CRP in mg per liter (Input Data)

Semantic Link

Chemistry - CRP in mg per liter

Percent lymphocytes in the peripheral blood differential (Input Data)

Semantic Link

Hematology and Urine - Percent lymphocytes in the peripheral blood differential