mIvwa'mey is used to mean "score, tally, results". For "results" in the sense of "outcomes" use gher'ID.

Can be used for a scar due to surgery. 

Non-canon use in Discovery:

  lIr'el, Du'arghHa'moH mIvwa'.
  The scar is an improvement, L'Rell. (DSC "Si Vis Pacem, Para Bellum")

SEE ALSO:

taq             be scarred (v)
taqmoH  scar (v)
roptoj                  scar (result of some sort of disease, infection, etc.) (n)
SanDIy          scar (result of a wound received in the course of fighting/battling) (n)

Difference explained on https://www.kli.org/activities/qepmey/qepa-chamah-losdich/qepa-chamah-losdich-new-words/ :

"So if you have a scar that you got in a fight, that could be either a mIvwa' or a SanDIy. If you don't know whether someone's scar resulted from a wound or a disease, it's probably safest to go with mIvwa'. If the person's   scar is actually a SanDIy, he/she will, under most circumstances, clarify this for you. If it's a roptoj, he/she may let the 'misdiagnosis' slide since, as we all know, ropchoHbe' tlhInganpu'."