What do systematic reviews say?

Transradial vs transfemoral approach

Transradial probably leads to lower short‐term cardiac death compared with transfemoral approach (moderate certainty).

• Transradial versus transfemoral approach for diagnostic coronary angiography and percutaneous coronary intervention in… 2018 · Cochrane Headline outcomes only
  RR 0.69 [0.54, 0.88]
  11 studies · 11170 participants
  Moderate