Percent Change From Baseline in Products of Perpendicular Diameter

**Semantic type:** Quantitative Concept

**Definition:** The (current product of perpendicular diameters minus the baseline product of perpendicular diameters) divided by the baseline product of perpendicular diameters, multiplied by 100.

**Synonyms:** - PCBPPD - Percent Change Baseline in PPD - Percent Change Baseline in PPD