There are multiple definitions:

1. bactericidal permeability-increasing protein(English)

   • PSP
   • Bacteriology
   • https://doi.org…1042/bst0310815

2. brief pain inventory(English)

   • evaluates a patient's pain experience through a number of different scales. There are line drawings of the front and back of a human body on which patients mark the location of their pain. Patients are asked to list the treatments or medications that they are using and how much relief they have provided in the past 24 hours. In addition, patients fill out 11 different NRS that ask about pain intensity (present as well as least, most, and average for the past 24 hours) and the effect of the pain on their ability to function during various activities of daily living
   • WPAI:SHP, NRS, ADL, ICOAP, PDPN
   • Pain, Scoring systems/scales, Monitoring
   • https://doi.org…-0334-6.50022-4
   • https://doi.org…0842-017-0051-2

3. Blackburne-Peel index(English)

   • an alternative to Insall-Salvati ratio and is used to assess patellar height including patella alta and baja
   • BSO, CDI, CW, HTO, OW
   • Ratio-based metric, Musculoskeletal system, Shoulder and other joints
   • https://doi.org…/s-0037-1605561
   • https://radiopa…urne-peel-ratio