The PRIEST COVID-19 clinical severity score

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The PRIEST COVID-19 clinical severity score is essentially:

The NEWS2 score
+ 2 points for age 50-65, 3 points for age 66-80, 4 points for age ≥80
+ 1 point for male sex
+ 1 point for each level of performance status below unrestricted normal activity.

The table below shows the detailed score.

Variable Range Score
Respiratory rate (per minute) 12-20 0
  9-11 1
  21-24 2
  <9 or >24 3
Oxygen saturation (%) >95 0
  94-95 1
  92-93 2
  <92 3
Heart rate (per minute) 51-90 0
  41-50 or 91-110 1
  111-130 2
  <41 or >130 3
Systolic BP (mmHg) 111-219 0
  101-110 1
  91-100 2
  <91 or >219 3
Temperature (°C) 36.1-38.0 0
  35.1-36.0 or 38.1-39.0 1
  >39.0 2
  <35.1 3
Alertness Alert 0
  Confused or not alert 3
Inspired oxygen Air 0
  Supplemental oxygen 2
Sex Female 0
  Male 1
Age (years) 16-49 0
  50-65 2
  66-80 3
  >80 4
Performance status Unrestricted normal activity 0
  Limited strenuous activity, can do light activity 1
  Limited activity, can self-care 2
  Limited self-care 3
  Bed/chair bound, no self-care 4

Probability of adverse outcome figure

Sensitivity and Specificity table

This project is funded by the National Institute for Health Research Health Technology Assessment (NIHR HTA) Programme (project number 11/46/07). Any views or opinions expressed are those of the authors and do not necessarily reflect those of the HTA programme, NIHR, NHS or the Department of Health.