Introduction In his seminal work Effectiveness and Efficiency, Archie Cochrane asked why, despite their enormous potential, randomized trials were much less widely used that they should be. At the time that he was writing, their geographical distribution was very uneven. He wrote ‘If some such index as the number of RCTs per 1,000 doctors per year for all the countries of the world were worked ...

Introduction In his seminal work Effectiveness and Efficiency, Archie Cochrane asked why, despite their enormous potential, randomized trials were much less widely used that they should be. At the time that he was writing, their geographical distribution was very uneven. He wrote ‘If some such index as the number of RCTs per 1,000 doctors per year for all the countries of the world were worked ...