Percent Predicted Specific Airway Resistance

**Semantic type:** Diagnostic Procedure

**Definition:** A measurement used to describe airway behavior irrespective of lung volume; it is calculated as airway resistance (Raw) multiplied by functional residual capacity (FRC), as a proportion of the predicted normal value.

**Synonyms:** - Percent Predicted Sp Airway Resistance - Percent Predicted Sp Airway Resistance - SRAWPP