Assertion: procaine hydrochloride's effect | /r/HasProperty | 95% confidence interval
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Source sentences:
text: Pooled data from 2 studies (N=415) showed procaine had a detrimental effect in terms of side effects (20/208 active versus 3/207 placebo; OR 7.30; 95% confidence interval [CI] 2.13 to 25; P = 0.002).