What is the level of study with the highest level of scientific evidence in the health area?

1️⃣ Individual-level meta-analysis – Reanalyzes raw data from multiple studies for more accurate answers.
2️⃣ Network meta-analysis – Connects treatments that have never been directly compared, ranking their effectiveness.
3️⃣ Dose-response meta-analysis – Reveals the impact of different doses on clinical outcomes.