The phrase "adequate and useful" is correct and usable in written English.
You can use it to describe something that meets a certain standard of sufficiency and practicality.
Example: "The report provided adequate and useful information for making informed decisions."
Alternatives: "sufficient and beneficial" or "satisfactory and helpful."
However, until new and more precise population norm data are presented we believe that the SF-36 used population norm data is adequate and useful.
In particular, this paper demonstrates that the proposed a developer-friendly user interface and its specification are adequate and useful for the development of vital sign oriented healthcare systems.
The material provided was adequate and useful for the purpose of the course.
Analysis shows that this is an adequate and useful instrument for assessment of agitated and aggressive patients.
The reference intervals for a biomarker must be established before the marker can be adequate and useful for clinical interpretation.
A considerable body of research now supports NPT as an adequate and useful theory for explaining processes of the normalization of practices associated with complex interventions.
Despite the shorter half-life of glycemic control, quarterly GA measurements appear adequate and provide useful information to guide physicians in the care of patients with ESKD.
It's not a perfect surveillance solution but it's adequate and should be useful for folks who want to watch a rarely trafficked space or just watch the yard every few hours for signs of alien invasion/stray cat infestation.
On the other hand, the current results suggest that Δ-EVLWi alone might not be adequate as a practical and useful parameter to predict mortality.
Most volunteer patients felt that the questionnaire was adequate, easy to understand and useful.
Implications for the 21st century, which are also discussed briefly by exploring the implications of an ACEGES-based scenario of oil production, are as follows: (a) the provision of adequate and affordable quantities of useful energy as a pre-condition for economic growth and (b) the design of energy systems as 'technology incubators' for a prosperous 21st century.
