Sentence examples for use a retrospective study from inspiring English sources

Therefore, we decided to use a retrospective study design to address the hypothesis that HP may have greater seasonal serum KL-6 variation than the other ILD.

Using a retrospective study design, data from all established cases during the period 2004 2007 were collected.

Methods: We used a retrospective study design employing claims data from 1997 and 1998 from a private insurer and a state Medicaid program to analyze costs incurred.

Using a retrospective study design, we defined the surgical decompression rate in patients admitted to the hospital with severe infection and ureteral calculi.

To carry out a pilot study to demonstrate the feasibility of the contingent valuation (CV) approach to identify net benefits gained from spinal interventions; and to conduct a formal cost-benefit analysis (CBA) using a retrospective study design.

Patients and Methods: Using a retrospective study design in a randomized protocol, patients who had undergone Le Fort I osteotomy were assigned to either treatment group 1 (DPNB ligated) or treatment group 2 (DPNB preserved).

The present study used a retrospective study design.

Moreover, all the analyzed studies were methodologically rigorous, in most cases using a retrospective study design.

Using a retrospective study design confers some disadvantages.

We used a retrospective study design to examine time and location patterns in infant mortality between 1950 and 1996, using univariate statistics, graphical techniques, and Poisson regression analysis.

Using a retrospective study design, we evaluated the impact of balloon inflations during PPCI on enzymatic infarct size (IS) and long-term outcomes.