Sentences with phrase «between gonadal»

Not exact matches

For males, the gonadal exposure subgroups were: castrated before 1 year of age; castrated between 1 and 3.5 years of age; castrated after 3.5 years of age; and sexually intact.

For females, the gonadal hormone exposure subgroups were: spayed before 1 year of age; spayed between 1 and 5 years of age; spayed after 5 years of age; and sexually intact.

This stratification enabled us to evaluate the dose - response relationship between duration of gonadal exposure and bone sarcoma risk within the study cohort.

To characterize the dose - response relationship between endogenous sex hormones and bone sarcoma risk, a study providing information on lifetime gonadal hormone exposure would be required.

To determine whether there was an association between endogenous sex hormones and risk of bone sarcoma, relative risk (RR) of incidence rates and hazard ratios for bone sarcoma were calculated for dogs subdivided on the basis of lifetime gonadal hormone exposure.

For some cancers of interest, not only may breeds vary in predisposition but also the possibility of interactions between gender, gonadal hormone influences, and timing of gonadal hormone alteration should be taken into account in selecting the model and in investigating causal factors to be explored.