Randomized trial of dentists’ understanding: treatment benefit in absolute numbers vs relative risk reduction
Paulo NADANOVSKY,
Branca Heloisa de OLIVEIRA,
Ronaldo LIRA-JUNIOR
et al.
Abstract:This study aimed to assess whether dentists correctly understand the benefit of a dental treatment when it is presented using absolute numbers or relative risk reduction (RRR). This parallel-group randomized controlled trial recruited dentists from 3 postgraduate courses in Rio de Janeiro, Brazil. Participants received, in sequentially numbered sealed opaque envelopes, the description of a hypothetical scenario of the benefit (avoidance of multiple tooth loss) of nonsurgical periodontal treatment without or wi… Show more
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