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Table 3 Owner's guess of treatment given versus actual treatment given and their prospective wishes regarding gold bead implantation for their dog in a clinical controlled therapy trial of 80 dogs with canine hip dysplasia. The two opinions of the owner were requested at the end of the 6 month trial and before the randomization code was broken. One dog owner per dog expressed their opinion.

From: Stratification, Blinding and Placebo Effect in a Randomized, Double Blind Placebo-controlled Clinical Trial of Gold Bead Implantation in Dogs with Hip Dysplasia

Owner's guess of treatment given

Treatment actually given

Wanted gold implantation if not given previously

 

Placebo

Gold

Yes

No

Placebo

8

3

11

0

Gold

22

30

35

17

Don't know

12

3

13

2