The phrase "abnormality frequency in" is correct and usable in written English.
It can be used in contexts related to statistics, research, or medical studies where the occurrence rate of abnormalities is being discussed.
Example: "The study aimed to analyze the abnormality frequency in patients with the specific genetic disorder."
Alternatives: "rate of abnormalities in" or "occurrence frequency of abnormalities in".
The menstrual abnormality frequency distributions by different parity groups in the case and control groups are shown in Table 1.
Studies comparing the frequency of chromosome abnormalities in sperm and embryos from reciprocal translocation carriers show a close agreement in the abnormality frequencies (Escudero et al., 2003 ).
There was significant difference in the menstrual abnormalities frequency of two groups by different age groups, χ2 = 9.06, p = 0.0176 (Table 1).
Individual patients may exhibit all or none of these abnormalities, and their frequency in Barrett's esophagus is disputed.
There is increasing evidence that reproductive abnormalities are increasing in frequency in both human population and among wild fauna.
We reasoned that any abnormalities present at similar frequencies in LG-SIL and HG-SIL might represent early events in the pathogenesis of SIL, while abnormalities present at a higher frequency in HG-SIL than in LG-SIL might reflect those involved in disease progression.
Spontaneous chromosomal abnormalities are observed at high frequency in untreated Brca1 and Brca2 mutant cells, implying that these genes act to repair DNA damage that occurs as a consequence of normal cell division, as well as that caused by genotoxic agents [ 36**, 38**].
Recent studies revealed a high frequency in copy number abnormality of miRNA processing genes, such as Dicer1 and Argonature2, in breast and ovarian cancers [ 28, 29].
There was an increased frequency in visible sperm abnormalities in the father associated with imprint errors in the conceptuses in line with our previous findings.
The first, in adults, found nailfold capillary abnormalities were present in a higher frequency in participants with type 1 diabetes compared to those with type 2 diabetes or no diabetes and these abnormalities correlated with presence of retinal damage [ 36].
