When the variable is measured more than once in the 24 hours, the most severe value is used in calculating the score (measures at admission, possibly repeated each day)
PELOD score add the individuals Organ Dysfunction scores.
As exist logical operators (and / or), score for each organ is not the sum of each value.
Neurologic : Use the lowest value. If the patient is sedated, record the estimated GCS before sedation
Pulmonary : ABGs are recorded without reference to the mode of ventilation .
FIO2 : Fraction of inspired O2
Ventilation : The use of mask ventilation was not considered to be mechanical ventilation.