How to Solve Issues With delta ratio calculation example

https://anion-gap-results715.bearsfanteamshop.com/anion-gap-calculator-and-interpretation-reference

Low anion-gap decreased causes may include hypoalbuminemia, testing error, and elevated lithium or bromide exposure intake. Evaluate electrolyte results, serum albumin, renal function, and acid–base balance to find the underlying metabolic disturbance.