The phrase "assessed once using" is correct and usable in written English.
It can be used in contexts where you want to indicate that something has been evaluated a single time with a specific method or tool.
Example: "The data was assessed once using the new statistical software to determine its accuracy."
Alternatives: "evaluated a single time with" or "analyzed once through".
First, the EPIC study assessed dietary intake once, using a 7-day food diary, whereas we used semiquantitative FFQ assessed repeatedly.
The severity of COPD should be assessed once the diagnosis has been made using the 2009 updated guidelines from the Global Initiative for Chronic Lung Disease GOLDD) to determine the degree of spirometric abnormality and by the presence of complications, such as respiratory failure and/or right-sided heart failure.
Diet was assessed once at the beginning of the study using the Food Intake Analysis System semi-quantitative food frequency questionnaire (University of Texas 1996).
Daily activities, stress and mood were assessed each time the participant completed the program, diet, exercise, sleep, alcohol and cannabis use were assessed once a day at different times.
In most studies, drug use was assessed once only, typically by asking subjects about their average intake over a period of time, which ranged from 30 days (Schreinemachers and Everson, 1994) to 5 years (Irani et al, 2002), prior to interview or diagnosis.
This will need to be assessed once the drugs under study have been used for several years in daily practice.
Presence of a palpable tumor was assessed once a week, and largest orthogonal diameters were measured using a Vernier caliper.
Beef suckler farms (194 farms throughout 13 counties) were assessed once with housed cattle and once with cattle at grass using an animal welfare index (AWI).
103 There is also a need to assess whether once used, NHS Care Records Service software systems improve the quality and safety of care, the more effective management of resources, the way in which care practices are organised and delivered, and professional roles.
Age, menopausal status, and HRT use were included as time dependent variables; all other variables were only assessed once.
