Final equation provides a range of values from 1 to 30.

Here warmer colors
represent increasing
growth component.

Bottom dark-blue bar
equals 1.
Upper red bar equals 30.






1 corresponds to SWO or marginal DLSO with no hyperkeratosis on fingernail of a younger patient. 30 corresponds to whole-nail DLSO with severe hyperkeratosis on big toenail of elderly patient.