The phrase "a combination of efficacy" is correct and usable in written English.
It can be used when discussing the effectiveness of multiple elements or methods working together to achieve a desired outcome.
Example: "The study demonstrated a combination of efficacy in the treatment methods, leading to improved patient outcomes."
Alternatives: "a blend of effectiveness" or "a mix of efficiency".
The outcome of the model was very sensitive to the overall vaccine effectiveness (a combination of vaccine efficacy and strain matching); and the vaccine cost.
For the treatment of DC, the use of CCH in surgery units without admission allows for a combination of treatment efficacy with minimal aggression and hospitalization.
While a combination of good efficacy and acceptable toxicity, in conjunction with low cost and patient convenience, has made methotrexate an increasingly favored drug for RA, recent studies suggest that patients lose efficacy over time and only a minority of them achieve disease remission from its use [ 5].
Our expectations from new treatments can be summarized as a combination of good efficacy and effectiveness, short-term and long-term safety, and improvement in functionality and quality of life, and all of this at an acceptable cost and for as many patients as possible.
It was, therefore, not possible to draw a specific conclusion regarding the causality of improvement, which might be attributed to one or a combination of treatment efficacies, the placebo effect, the natural history of the condition or the phenomenon of regression to the mean (spontaneous fluctuations in pain levels which tend, on average, to revert towards the mean).
It is only the third oral treatment to be approved for the disease, and it offers a tantalizing combination of efficacy and safety, doctors and Wall Street analysts say.
Meanwhile, sales groups targeting pediatricians -- who would be rewarded in proportion to the number of prescriptions they wrote off-label -- were equipped with a training manual called "Handling the Most Common Objections Voiced By Prescribers," which advised sales reps to tell doctors that "Risperdal has an excellent combination of efficacy and safety".
Ongoing large multinational clinical trials are investigating two intermittent ibandronate regimens (once-monthly oral and intermittent intravenous injections), which are expected to provide an optimal combination of efficacy, tolerability, and patient convenience, leading to improved treatment adherence (Tankó et al 2003; Chesnut et al 2004; McClung et al 2004; Reginster 2005).
However, due to a combination of increased computer efficacy and advanced numerical techniques, the realism of these simulations has only been enhanced in recent years.
A combination of the promising efficacy of chloroquine (EC 50 16 μM ) and amodiaquine (EC 50 8.4 μM ) versus EBOV, their availability and likely low cost should prioritize their further laboratory exploration.
