All couplets, patterns and NSVT tells us is that you MAY be at higher risk. However all that ultimately depends on what the diagnostic workup shows.
It is one component of risk stratification but on its own means nothing. It needs to be taken in context with other data, family history, nature of symptoms, echo results(EF), pvc burden, coronary history etc.
Do you even HAVE SCD risk? What makes you think you have SCD risk?