What is the highest percentage condition Vincent was diagnosed with at birth?

Vincent was diagnosed with a heart disorder at birth, which is a significant aspect of his character's backstory in the narrative of GATTACA. The heart disorder specifically highlights the genetic predisposition that many individuals in the world of GATTACA face; they are often engineered to lack such ailments. This condition sets the tone for Vincent's struggles against societal discrimination based on genetic profiling, signifying that he was considered inferior since his birth due to this innate health issue.

In the context of the story, being born with a heart disorder places Vincent at a disadvantage in the genetically stratified society he inhabits. This condition further illustrates the wider themes of genetic determinism and the societal implications of such a system, emphasizing how his life struggles are inextricably linked to this diagnosis at birth.