1. A systematic examination or review of past events, data, or performance to understand what happened and why
The company conducted a retrospective analysis of their marketing campaign to identify what worked and what didn't.
A empresa realizou uma análise retrospectiva de sua campanha de marketing para identificar o que funcionou e o que não funcionou.
2. In medical research, a study that looks back at existing records or data to draw conclusions about past outcomes
The retrospective analysis of patient records showed a significant improvement in survival rates.
A análise retrospectiva dos registros de pacientes mostrou uma melhoria significativa nas taxas de sobrevivência.