Sentence examples for comparative cohort study from inspiring English sources

9 10 11 No randomized controlled trial or large comparative cohort study has been conducted to compare the efficacy and safety of the implant based hysteroscopic procedure with the traditional laparoscopic procedure.

No differences in adhesion formation were reported in a large (n = 517) retrospective comparative cohort study and one large RCT (n = 753) comparing the use of sodium hyaluronate-carboxycellulose with a control group without an adhesion barrier (Edwards et al., 2014; Kiefer et al., 2014).

This was an observational comparative cohort study in which the rates of prespecified events were compared between pregnant women who received PsA-TT and the 2 control groups defined above.

We performed a comparative cohort study over two separate 14-month periods three years apart, comparing two cohorts of major trauma patients undergoing pre-hospital RSI by KSSAAT HEMS.

Comparative cohort study.

Retrospective comparative cohort study.

Levels of evidence are defined for systematic reviews of RCTs (I a), RCTs (I b), systematic reviews of prospective comparative cohort studies (II a), prospective comparative cohort studies (II b), retrospective comparative studies (III), case series and other non-comparative studies (IV), and other observations, opinions, or reports (V).

The aim of this study is to assess the agreement and compare the performance of three different instruments in assessing risk of bias (RoB) of comparative cohort studies included in a health psychology meta-analysis.

Phase 3 provides comparative evidence through comparative cohort studies.

All of the six studies examined were comparative cohort studies.

All included studies were nonrandomized, nonblinded, comparative cohort studies.