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Evidence-Based Clinical Practice

Confidence Intervals

November 17, 2014
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Imagine that you want to take a measurement on a group of 100 people. Perhaps you are measuring their glucose level, as a conceptually easy measure to think about. In that group of 100 people, you find that the mean glucose level is 87. Now what if you were to find another group of...
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Posted in Evidence-Based Clinical Practice, Research | No Comments »

More and More on Diagnostic Testing

September 22, 2014
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In my last blog post I discussed the importance of assessing the sensitivity and specificity of a diagnostic test. We asked the question: how well do our diagnostic tests help identify those with (sensitivity) and without (specificity) a condition of interest? I defined sensitivity as the ability of a diagnostic to correctly identify those...
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Confidence Intervals

May 19, 2014
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I would guess that by now you have come across the term “confidence interval” while reading a clinical trial or another kind of paper. This is a critically important concept for clinicians and academics in healthcare to grasp. CIs are typically used when, instead of wanting the mean value of a sample, we instead...
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Posted in Chiropractic, Evidence-Based Clinical Practice | No Comments »

Treatment Tools

April 14, 2014
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I have heard many healthcare professionals indicate that high-velocity low-amplitude (HVLA) procedures applied to the low back region are inappropriate and unsafe for patients with symptomatic lumbar disc herniation. However, research evidence contradicts this sentiment. As an example, a recent study published in The Journal of Manipulative and Physiological Therapeutics describes a clinical trial...
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Posted in Chiropractic, Clinical Skills, Evidence-Based Clinical Practice, Patient Values, Research | No Comments »