Percent Change From Nadir in Sum of Diameter

**Semantic type:** Quantitative Concept

**Definition:** The most recently recorded sum of diameters minus the lowest sum of diameters previously recorded divided by the lowest sum of diameters previously recorded, multiplied by 100.

**Synonyms:** - PCNSD - Percent Change Nadir in Sum of Diam - Percent Change Nadir in Sum of Diam