Sanitizing efficacy is total organism count. Hand sanitizers are regulated by the FDA and tested in vivo using ASTM 1174 (Health Care Personnel Handwash / HCPHW test) and ASTM 2755. E1174 tests for Serratia marcescens or Escherichia coli. E2755 tests for S. marcescens or Staphylococcus aureus. ASTM E1174-21 includes a precision and accuracy statement. The FDA explains: https://www.federalregister.gov/documents/2016/09/06/2016-21...
Only the USA is bound by the FDA though. The rest of the world will claim whatever they can get away with. Though yes, it is likely they mean the same thing.
