The phrase "a efficacy" is not correct in written English.
The correct article to use with "efficacy" is "an" because "efficacy" begins with a vowel sound.
Example: "The study aimed to measure the efficacy of the new drug in treating the disease."
Alternatives: "an effectiveness" or "an efficacy rate".
In case of a fast and massive pandemic (profile A), efficacy and coverage play a moderate role for several interventions, whereas in a progressive and long lasting pandemic (profile B), such correlations do not clearly appear, except for speed of intervention (as mentioned above) and pre-pandemic vaccination.
Different studies have tried long and short desensitization schemes, with a efficacy from 30 to 100%.
We performed a literature review to describe the differences and similarities between SDD/SOD and probiotic preventive strategies, focusing on (a) efficacy, (b) risks, and (c) the routing of these strategies.
For further details refer to the Methods Report at www.psoriasis-leitlinie.de (a) Efficacy The evaluation of the efficacy column reflects the percentage of patients who achieved a reduction in the baseline Psoriasis Area and Severity Index (PASI) of ≥75%.
We selected interventions for analysis based on: a) efficacy and/or effectiveness in published literature; b) availability of evidence on clinical effectiveness, resource utilization and costs; c) feasibility of implementation in Thailand based on discussions with 10 local mental health experts; and d) relevance to current policy-making.
Presently, WHOPES has a four-phase evaluation: a) efficacy and human and environmental safety; b) small-scale field trials including non-target fauna and harmful effects on operators; c) medium- to large-scale field evaluations that include safety; and d) establishing specifications for formulations (Najera and Zaim 2001).
In the case of patients, the impression of clinicians was that they valued OBT-A efficacy mostly in terms of changes in QoL, a secondary outcome measure in the PREEMPT program [14, 15] which has not been extensively investigated in real-life studies.
God intervened in daily affairs with an alacrity and an efficacy that mayors would envy, and he spoke to people loud and clear from his verified account.
The trial has features of both an efficacy and an effectiveness trial design.
We hypothesize that this envelope protein comprises a linear epitope with an efficacy close to 100%.
GRADE might be more appropriately labeled an "efficacy" rather than an "effectiveness" trial.
