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Table 6 Distribution of 68 dogs according to change in pain signs of hip dysplasia (CHD) after gold bead implantation in a controlled clinical trial of CHD. The treatment effect for gold bead implantation is given in the blinded trial versus the open treatment trial.

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

 

Pain signs of canine hip dysplasia

 

Treatment

Complete recovery

Large improvement

Mild improvement

No change in signs

Mild aggravation

Large aggravation

Total number of dogs

Blinded gold

5

17

8

6

0

0

36

Open gold

1

14

9

2

4

2

32