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Table 7 Presumed disappointment of patients if they learned that they had been intentionally treated with a pure or impure placebo*

From: Use of placebo interventions among Swiss primary care providers

 

Use of pure placebo (n = 223)

Use of impure placebo (n = 225)

Yes, many of my patients

123 (55%)

49 (22%)

Yes, some of my patients

47 (21%)

53 (24%)

Mostly no

27 (12%)

103 (46%)

I do not know.

26 (12%)

20 (9%)

  1. * Counts for pure vs. impure placebo were significantly different, Wilcoxon's, z = 8.7, p < 0.001.