case_images: PMC10112000_01
case_images: Linear regression analysis of serum sodium and the plasma osmolal gap (osmolal gap = calculated - measured plasma osmolality).
case_images: CNCS-11-061-01.jpg
case_images: PMC10112000_01_CNCS-11-061-01.jpg
case_images: Figure1
case_images:  Figure 1 shows the linear regression of the osmolal gap and serum Na.