Should every randomized controlled trial be considered Level 1 evidence?

Affiliations

• ¹ IRCCS A. Gemelli University Polyclinic Foundation, Sacred Heart Catholic University, Rome, Italy - beranrdo.rocco@gmail.com.
• ² IRCCS A. Gemelli University Polyclinic Foundation, Sacred Heart Catholic University, Rome, Italy.
• ³ Borgo Trento Hospital, Verona, Italy.
• ⁴ Careggi University Hospital, Florence, Italy.
• ⁵ Adventhealth Orlando, University of Central Florida, Orlando, FL, USA.
• ⁶ Cancer Institute of Sao Paulo State, Sao Paulo, Brazil.
• ⁷ ASL4 Veneto Orientale, Verona, Italy.
• ⁸ ULS8 Arezzo, San Donato Hospital, San Donato, Milan, Italy.
• ⁹ IRCCS San Martino Polyclinic Hospital, Genoa, Italy.
• ¹⁰ Azienda Policlinico Tor Vergata, Rome, Italy.
• ¹¹ ASST Lariana, Como, Italy.
• ¹² Keck School of Medicine of University of Southern California, Los Angeles, CA, USA.
• ¹³ San Bassiano Hospital, Bassano del Grappa, Vicenza, Italy.
• ¹⁴ Città della Salute e della Scienza, Turin, Italy.
• ¹⁵ University of Graz Auenbruggerplatz, Graz, Austria.
• ¹⁶ Azienda Ospedaliera San Carlo, Potenza, Italy.
• ¹⁷ Arnas Garibaldi, Catania, Italy.
• ¹⁸ Nigaurda Hospital, Milan, Italy.
• ¹⁹ San Paolo Hospital, Savona, Italy.
• ²⁰ Humanitas Gavazzeni, Bergamo, Italy.
• ²¹ ASST Mantova, Mantova, Italy.
• ²² Sapienza University, Rome, Italy.
• ²³ San Raffaele Turro, Milan, Italy.
• ²⁴ Manzoni Hospital, Lecco, Italy.
• ²⁵ Sant'Orsola Polyclinic, University of Bologna, Bologna, Italy.
• ²⁶ Garbagnate Milanese Hospital, Garbagnate, Milan, Italy.
• ²⁷ Northwell Health LIJ Valley Stream Hospital, University of Minho, New York, NY, USA.
• ²⁸ San Giovanni di Dio e Ruggi D'Aragona University, Salerno, Italy.
• ²⁹ Maggiore della Carità University Hospital, Novara, Italy.
• ³⁰ ASL of Biella, Biella, Italy.
• ³¹ Big and Open Data Innovation Laboratory (BODaI-Lab), University of Brescia, Brescia, Italy.
• ³² San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy.
• ³³ Azienda di Chieti, ASL2 Abruzzo, Chieti, Italy.