The mnemonic
Susceptible, Subclinical, Clinical, Outcome
What each word stands for
- SusceptibleRisk factors present before disease
- SubclinicalPathological change without symptoms
- ClinicalSymptoms and signs appear
- OutcomeRecovery, disability or death
Why it matters clinically
Shows where screening and each level of prevention act.
Where it stops being reliable
Not every disease passes through all stages, and the durations vary widely.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.