The phrase "at the worst level" is correct and usable in written English.
It can be used to describe a situation or condition that is considered to be at its lowest or most unfavorable point.
Example: "The project was at the worst level of progress, with deadlines missed and no clear direction."
Alternatives: "at the lowest point" or "at the most unfavorable level".
"The relationship between Russia and the UK and Russia and the US is at the worst level since the 1960s.
J. Craig Venter, founder of Celera and, until recently, the company's chief scientist, called the paper "game-playing at the worst level in academics" and said it was devoid of "substantive science".
The SF-6D preference-based measure can be regarded as a continuous variable scored on a 0.29 to 1.00 scale, with 0.29 corresponding to the worst health state (i.e. all dimension being at the worst level) and 1.00 corresponding to "full health" (i.e. all dimensions being at full functional level).
For the corner states (states in which one attribute is described at the worst level and the others are described at the best level), mean VAS scores showed some variability across countries, particularly for medication side effects (range from 0.17 in France to 0.44 in Italy).
But overwhelmingly negative attitudes toward the United States did not change from the month before the raid to two weeks after, remaining at the worst levels measured in eight years.
A&E target waiting times have not been met for a year, and are at the worst levels for more than a decade; and elderly, vulnerable patients are marooned in hospital because our colleagues in social care have no money or staff to provide much-needed services at home.
A corner state is a multi-domain health state description where one domain is at one extreme (the worst level of function) and all other domains are at the other extreme (the best level of function).
For each attribute (n = 5), VAS rating of the intermediate level was conducted on a thermometer feeling scale anchored at 0- the least desirable or the worst level at each attribute and 100- the most desirable or best level at each attribute.
A US watchdog is warning that the crisis at Fukushima could reach the "worst level on an international scale of zero to seven".
The report found that sushi restaurants have the worst level of mislabeling, at a staggering 74percentt.
As the unemployment rate peaked in 2009 at more than 10% – the worst levels recorded since the early 1980s – millions of Americans were desperately searching for jobs.
