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In their exposition on the neuropsychology of anxiety, they outline a "comparator of inputs" which compares what is perceived (actual events) to what is desired (expected events).
IVT-AFL 2q8 and IVR 0.5 mg PRN could be directly compared via a common comparator of laser (plus sham injection) in four studies [ 13, 15, 16].
Six studies used Concerta® as a comparator; of these, two studies compared Concerta® with Equasym XL®[ 20, 21], while four individual studies compared Concerta® with Ritalin LA®[ 22], Ritalin SR®[ 23], Daytrana®[ 24] and Biphentin®[ 25].
However, only one study in the men-only meta-analysis had an 'active' comparator, and this compared supervised physical activity with unsupervised (and thus included an 'active' comparator of lower intensity that was not self-management support), and it seems unlikely this would have had a substantive impact on the findings.
The model compared bevacizumab (1.25 mg in 0.05 mL per injection) with a comparator of mixed standard care in the UK in 2009 (16 patients received PDT, 38 patients received pegaptanib, 12 patients received sham injection) based on clinical assessment in the ABC trial.
In passing, Google showed its ability to kill any price comparator of its choosing.
Similar(22)
The NICE expert advisers have not voiced a clear opinion about adverse events with the use of Debrisoft® compared with the comparators of gauze, hydrogel or larvae.
Given the likely pre-test selection bias, positive and negative predictive values were considered as more relevant comparators of diagnostic performance when compared with sensitivity and specificity.
For example, the hypothetical common comparator "C" can indirectly link comparators of interest "A" and "B" in Trial 1 comparing interventions "A" versus "C" and Trial 2 comparing "B" versus "C".
The comparators of interest were either: (1) periods of stable COPD; or (2) infrequent exacerbator phenotype.
It is also unclear if use of Debrisoft® is associated with higher or lower rates of pain in the patient than the comparators of gauze, hydrogel or larvae.
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