Sentence examples for determine a causal relation from inspiring English sources
Attempts to determine a causal relation between HIV testing and differences in HIV risk behavior are limited by the cross-sectional nature of the study.
While it is not possible to determine a causal relation between infection and type 1 diabetes with a randomised controlled trial, larger multicentre international prospective studies could examine interactions between type 1 diabetes and various environmental, geographical, and genetic factors.
Although some evidence has shown improved outcomes in cancer associated with the introduction of multidisciplinary care, 19 20 21 a recent systematic review of 21 studies (including five on breast cancer) could not determine a causal relation between such care and cancer survival for three main reasons.
Undoubtedly, a well-conducted RCT is the ideal study design for determining a causal relation between a health care intervention and its putative outcomes, and systemic reviews of RCTs provide the best evidence, graded level 1, on the effects of preventive, therapeutic, or other interventions in medicine.
Further study is needed to determine if this was a causal relation and if this also applies to other environmental health issues.
A causal relation cannot be determined with certainty by a cross-sectional questionnaire study.
The study design means that a causal relation cannot be directly determined.
Rink et al. [ 20] proposed the use of textual graph patterns obtained from parse trees to determine whether two events from the same sentence have a causal relation.
It was not possible, however, to determine from this observational study whether the contract had a causal relation with improving quality of care.
Other sorts of libertarians, agent causal libertarians, deny (4) and yet hold that a causal relation is a necessitating or a determining one.
Significance: There is a need to further explore this correlation and determine its nature, although it could be the result of common pathogenic factors, a causal relation cannot be excluded.
