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editorial
. 2016 Oct;8(10):E1343–E1347. doi: 10.21037/jtd.2016.10.76

Table 1. APPS: a scoring system for ARDS patients.

Variables 1 point 2 points 3 points Score
Age, years <47 47–66 >66
PaO2/FiO2, mmHg >158 105–158 <105
Plateau pressure, cmH2O <27 27–30 >30
Total score

APPS (age, plateau, PaO2/FiO2) score: a 9-point outcome score for patients with the acute respiratory distress syndrome. The score is based on patient’s age, PaO2/FiO2, and plateau pressure at 24 hours after ARDS onset. PaO2/FiO2 is calculated under standardized ventilator settings [see reference (5) for details]. Total score is equal to the sum of the points for each category at 24 hours after ARDS diagnosis. Minimum total score is 3 points; maximum score is 9 points.