There are multiple definitions:

1. smallest worthwhile change(English)

   • for high fitness level subjects this is 0.2 of standard deviation
   • TE
   • Standards, Statistics, Sports medicine
   • https://doi.org…phys.2019.00109
   • https://doi.org…421-019-04214-6

2. surgical wound catheter(English)

   • ACB, FNB
   • Anesthesiology/analgesia, Wound care
   • https://doi.org…/sja.sja_894_22