How often do general practitioners use placebos and non-specific interventions? Systematic review and meta-analysis of surveys
Fig 2
Percentages (95% confidence intervals) of GPs having used a placebo intervention (upper part), a pure placebo or a non-specific therapy (lower part) at least once in their career (light grey), last year (grey), using it at least monthly (dark grey) or at least weekly (black).
RE = random effects.