There are multiple definitions:

1. thrombotic thrombocytopenic purpura(English)

   • ADAMTS-13, ADAMTS, ITP, MAHA
   • Thrombocyte /thrombosis

2. time to positivity(English)

   • time between blood cultures drawn from the peripheral vein and that taken from the catheter
   • CVC, DTP, CRBI
   • Bacteriology, Diagnostics
   • https://www.ncb…les/PMC4097682/

3. time to progression(English)

   • surrogacy of progression-free survival. See Kaplan-Meier analysis
   • PFS, BCSS, DDFS, DRFi, DRFS, ICH, iDFS, LRFS, NC, RFS, TTE, BCFI, DEB, TACE, TARE, RFi, DCR, HCC, TTSP
   • Prognosis, Oncology
   • https://dx.doi.…47/BCTT.S162841
   • https://doi.org…3/annonc/mdv106
   • https://doi.org…8/radiol.211806
   • https://doi.org…2045(08)70285-7

4. Time to Thrombin Peak(English)

   • LAG, TF, TGC
   • Thrombocyte /thrombosis
   • https://doi.org…598-019-40435-7

5. time-to-peak(English)

   • may refer to strain measurements obtained from a cardiac compartment
   • GCS, GLS, GRS
   • Medical imaging, Cardiology
   • https://doi.org…rad.2025.107205

6. transition to psychosis(English)

   • the progression from an at-risk mental state (ARMS) to a first episode of full-blown psychosis (e.g., schizophrenia, brief psychotic disorder). This conversion is often tracked in specialized clinical high-risk (CHR) programs and typically peaks within the first 2–3 years of exhibiting initial symptoms
   • POE, ARMS, FEP, PTSD, SP, UHR
   • Psychosis, Mental health
   • https://doi.org…chc.2021.08.002