The predictive value of this variable did decline over time, but this decline was relatively small, and this same variable also had the largest value of AUC 19) among all variables (AUC 19) = 0.587).
Moreover, even if the speculation proves to be valid and the benefits of some genetically engineered crops do decline over time, that doesn't diminish the prodigious gains–humanitarian, economic and environmental that will already have accrued.
Two of the advantages of a dynamic cohort (where patients can be recruited at different times) are that the number of participants does not decline over time, and that the aging of study participants over time does not weaken the study.
Evaluating policies against sustainability goals can be facilitated through the inclusive wealth framework, which characterizes development in terms of the value to society of its underlying capital assets, and defines development to be potentially sustainable if that value does not decline over time.
The modified power-law model is based on the assumption that B cell memory does not decline over time, whereas the piece-wise model assumes that antibody responses follow a linear decrease over time, and takes into account only antibody levels obtained in a given study.
Therefore, the number of falls did not decline over time, but the incidence of women with a new, first fall did.
But Godfray said that pollinator populations might be able to compensate for the premature deaths of individuals, so that the overall number did not decline over time.
Discussion In our population chronic migraine and medication overuse don't decline over time.
However, as in previous studies of neglect patients, performance on this simple task did not decline over time.
Likewise, HSV-2 prevalence did not decline over time among those infected with HIV, whereas a decline was noted among HIV uninfected MSM.
