The phrase "are less reliably" is correct and usable in written English.
It can be used when comparing the reliability of two or more subjects or items.
Example: "The results from the new method are less reliably accurate than those from the traditional approach."
Alternatives: "are not as reliable" or "are more uncertain."
These virtues, however, are less reliably found in the leading roles.
Still, it is clear that older voters as a whole are less reliably Democratic than they once were, and strategists and academics cite many explanations.
However, the trans-orbital and trans-foraminal windows are less reliably insonated compared to the trans-temporal window [47], and the ACA and PCA are less sensitive and specific for vasospasm compared to the MCA.
Compared with measurements of HU at CT, SI changes are less reliably assessable even if standardized MRI protocols are used.
5, 6 Lactate and pyruvate are less reliably elevated in the blood than they are in the cerebrospinal fluid.
It may be that elevated CRP captures multiple elements of MetS that are less reliably measured, potentially obviating the need to classify people on the basis of MetS.
The result is a Parliament that is less reliably supportive of the president.
Though he is less reliably right-wing than he was, Mr McCain is a conservative.
Perlstein keenly sees that some liberals "developed a distaste" for the social elements they had championed, now that those elements were "less reliably downtrodden" and less content to be passively led by liberal elites.
And yet, from the Birmingham Six to Hillsborough, via recent allegations of police complicity with tabloid journalists and earlier failures to investigate the paedophilia of Jimmy Savile, there are frequent worrying suggestions that the British police have been less reliably straight than their counterparts in fiction.
In contrast, among identically timed specimens, the levels of CK-MB from complicated patients were less reliably discriminatory.
