Exact(6)
They play host to millions, all of whom have their own lives and a varying propensity to make out with complete strangers.
27 Lastly, as others have, we included a time varying propensity score whereby we updated the propensity or probability of receiving sitagliptin every three months throughout the follow-up period by using all available data to date.
Our results may be attributed to selection bias in that physicians may have given or withheld sitagliptin in patients perceived to be at varying degrees of risk, which even time varying propensity scores cannot fully adjust for.
Main outcome measure Composite endpoint of all cause hospital admission and all cause mortality, assessed with time varying Cox proportional hazards regression after adjustment for demographics, clinical and laboratory data, pharmacy claims data, healthcare use, and time varying propensity scores.
Thus, despite the use of time varying propensity scores, any potential beneficial effects of sitagliptin on morbidity and mortality may have been masked by the higher baseline risk of patients prescribed sitagliptin in our cohort.
Despite several strengths of our study, including the availability of detailed clinical data (such as glycated hemoglobin, cholesterol, and markers of renal function), the use of advanced statistical techniques including time varying propensity scores, and the relatively large sample size of new users of antidiabetic agents, several limitations are inherent to our work.
Similar(54)
Indicators based on domestic priority filings reflect research efforts and are primarily affected by varying propensities to patent.
The experimental results showed that diesel blends with similar cetane ratings and different compositional makeups exhibited varying ignition propensities in different temperature regimes, thereby demonstrating the effect of molecular composition on autoignition characteristics.
Amino acids have varying catalytic propensities as noted in Bartlett et al. (2002).
The sequences are found to have varying secondary structure propensities, but in their native structures adopt a conformation dependent on their surrounding amino acid sequence and structural environment.
Our study reveals a high degree of plasticity in male mating propensity under varying sperm competition risk, consistent with sequential male mate choice to optimize sperm allocation.
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