Sentences with phrase «retrospective data»

So, the two groups being compared may have been significantly different at the start in ways that can not be measured using retrospective data.

The 15 - year study is designed to collect retrospective data at enrollment, and participants will then be followed prospectively every six months.

«Although this study is based on retrospective data with much detailed data, and residual confounding factors can not be ruled out completely, we believe that this information will have potential to greatly improve shared treatment decision - making for future breast cancer patients in those aged over 50 years and those with comorbidity,» says Prof Siesling.

It can be challenging, though, to gather and analyze retrospective data, with methods including chemical analyses of archeological sites and comparison of historical records to sedimentary cores.

Poster discussion session discussant Howard Colman, MD, PhD, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, said that «to optimize patient treatment going forward,» the field needs «to extract as much information as possible using the new classification from prior retrospective data sets.»

Examining retrospective data, this case study illuminates the effectiveness of comprehensive humane cat management efforts, yet points to the need for the establishment of standardized data collection and assessment practices.

Much of the better databases of historical data concerning tort liability were established in the 1990s, in the wake of the liability insurance crisis of the 1980s, so there isn't great retrospective data.

Retrospective data builds aren't just about including old content.

Although a wealth of evidence suggests that bi-directionality in offspring and parent violence is common, reliance on cross-sectional and retrospective data makes it difficult to identify exactly how these behaviors develop and influence one another over time.

This has been shown in retrospective data and a Phase I trial.9, 18 But it will likely never be shown in a large - scale study, as a dietary study with hundreds of cancer patients will be nearly impossible to run.

A total of 2489 adults with COPD on tiotropium (TIO), long - acting beta - agonist inhaled corticosteroids (LABA / ICS), and / or short - acting bronchodilators (SAB) alone or in combination were studied using retrospective data from the COPDGene study and prospective data from the telephone and web - based biannual Longitudinal Follow - Up program.

Evaluation: The supporting evidence that Bowlby (1944) provided was in the form of clinical interviews of, and retrospective data on, those who had and had not been separated from their primary caregiver.

«The retrospective data are very intriguing and we have a good physiological rationale for why it may be happening,» says Durieux, co-author of a review article on the surgery — cancer connection in the June 2010 issue of Anesthesia & Analgesia.

Dr. Balázs Györffyof Semmelweiss University in Budapest, Hungary, a longtime collaborator of Professor Birchmeier, looked at the retrospective data of almost 4,000 patients.

Unfortunately, assessing the problem is not easy; most biodiversity studies are forced to rely on secondary and retrospective data.

Limitations included the small sample size and the use of self - report, retrospective data.