Moreover, all traumatic injuries were given equal weight with regard to association with the predictors though differences in association may exist among subgroups of injuries and predictors.
While the weight of evidence shows no association overall between vasectomy and prostate cancer, there has been some suggestion that an association may exist in subgroups, such as men who have a family history of prostate cancer, men who undergo vasectomy at a younger age or when several decades have passed since the procedure.
Subgroups of hospitals, professionals, or patients in which the referral process is not optimally carried out may exist; hence, these subgroups need special attention to improve the referral process.
Thus, functional subgroups may exist within the GnRH system with considerable overlap in the input to these cells.
While additional subgroups may exist, the sample size was too small for further subdivisions.
Differences between the subgroups may exist for other water use variables, but they did not reach statistical significance.
Similar neuropsychologically defined subgroups may exist also in DLB [ 8], which could also predict differences in the rate of progression to end-stage dementia.
Our data suggests that an indolent subgroup may exist in CTCL-γδ.
Recent studies in the field of pharmacogenomics, which probes how genes affect a person's response to a drug, show that a higher prevalence of certain genetic traits that influence drug metabolism may exist in some Asian-American subgroups.
In addition, subgroup D may exist, which contains isolates from France that are not neutralized by monoclonal antibodies raised against viruses belonging to either subgroup A, B, or C (24 ).
