The phrase "a surprisingly high rate" is correct and usable in written English.
You can use it when discussing statistics or trends that are unexpectedly elevated compared to what was anticipated.
Example: "The study revealed a surprisingly high rate of participants who reported feeling satisfied with their jobs."
Alternatives: "an unexpectedly high rate" or "a notably high rate".
While transplantation is proving effective in terms of patient survival, HIV-positive patients exhibit a surprisingly high rate of kidney rejection relative to their HIV-negative counterparts.
We see that Tony's crew has continued to update its business dealings, running a stock brokerage with a surprisingly high rate of office violence.
The study, published in the August issue of Plastic and Reconstructive Surgery, shows a surprisingly high rate of body dysmorphic disorder among nose-job patients.
That's 40 or so instances a year in a city of 186,000, a surprisingly high rate given that the StingRay's manufacturer, Harris Corp., has told the Federal Communications Commission that the device is used only in emergencies.
Recent spot checks by the United States Interests Section in Havana have found a surprisingly high rate of return to the island among those who visit here -- a finding that should ease the anxiety of consular officials who are trained, perhaps correctly, to assume that most visitors from poor countries will try to remain here.
Also, the result from the four evaluation methods differed at a surprisingly high rate.
This surprisingly high rate of obtaining successful peptides enhances the likelihood that this strategy for individualized therapy development will be feasible.
The surprisingly high rate of genetic diversity seen in our study is in concordance with previous studies that used a relaxed variant filtering approaches [ 5, 12, 14].
The surprisingly high rate of late orchidopexies justifies the conclusion that acquired cryptorchidism may essentially be much more common than previously expected.
The reason for this surprisingly high rate might be that these women who were pioneers when IVF treatment was started in Sweden have a strong desire to be involved in studies concerning questions on health, IVF and childlessness.
In the present study, HPV-11 genotype was detected at surprisingly high rate (38/45 HPV-positive cases), while HPV-6 type, frequently reported to be present in the oropharynx, was detected only in three cases (3/45 HPV-positive cases).
