The phrase "a relatively higher incidence" is correct and usable in written English.
It can be used when comparing the frequency of an event or condition in one group to another, indicating that the incidence is higher in a relative sense.
Example: "In the study, we found a relatively higher incidence of the disease among older adults compared to younger populations."
Alternatives: "a comparatively greater occurrence" or "a notably increased rate".
Japan has a relatively higher incidence of biliary tract cancer compared with other developed countries [ 2].
Recently, Abell et al 20 have suggested a relatively higher incidence of anterior capsule tears with femtosecond laser cataract surgery.
This tumour is hormone responsive and consequently has a relatively higher incidence, recurrence, and growth rate during pregnancy [ 5].
NVP caused more severe toxicity and a relatively higher incidence of toxicities that warranted regimen change than EFV.
Our results showed a relatively higher incidence of MDD than that from the NEMESIS (3.6% vs. 2.7%).
Furthermore, a relatively higher incidence of work injury, sprains and strains, anxiety and depression and low back pain as found in manual workers, and in male workers.
Previous studies have found extracellular proteins possess a relatively high incidence of promiscuous domains relative to most other proteins (Basu et al. 2008, 2009).
Among the findings was that the United States ranked among the least safe of industrialized countries, at least in part because of a relatively high incidence of teenage pregnancy, with 5 of 100 women between 15 and 19 giving birth annually.
"Some, though certainly not all, of our peacekeeping missions are deployed to parts of the world where there is a relatively high incidence of H.I.V./AIDS," Mr. Guehenno said.
The distributions with the best detection performance also had a relatively high incidence of false positives, in contrast to the ordered distributions (Latin square and uniform permuted).
An analysis including all four experiments revealed that a feed intake of less than 200 g during the first day after weaning seems to be associated with a relatively high incidence of a post-weaning diarrhoea-like condition.
