Table 4 Variables included in ventilator dependence risk score.

From: Ventilator Dependence Risk Score for the Prediction of Prolonged Mechanical Ventilation in Patients Who Survive Sepsis/Septic Shock with Respiratory Failure

Variables for ventilator dependence risk score

Value

Points

Previous stroke

Previous stroke event

1

Platelet amount on admission day 7

≤150,000/μL

1

pH value on admission day 7

≤7.35

2

FiO2 on admission day 7

≥39%

2

VD risk score = previous stroke + Plt 7 + 2*pH 7 + 2*FiO2 7

Score range

0–6

  1. Abbreviations: FiO2, Fraction of Inspired Oxygen; VD risk score, Ventilator Dependence Risk Score.
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