Sentence examples for by an observational study from inspiring English sources
These questions are addressed by an observational study of child behavior in ten contemporary public playgrounds which includes play zone identification, on-site observations, statistical evaluation of zone playability/sociability and analysis of correlations between feature categories and play zone ratings.
The reasons for these findings cannot be explained by an observational study, though the differences in ACS subtype and extent of myocyte necrosis between groups is intriguing.
The results were supported by an observational study from the same group, although a survival benefit was not seen.
This is demonstrated by an observational study of abdominal decompression in patients with pancreatitis and elevated intra-abdominal pressure.
One word of caution about the interpretation of studies with unknown confounders is exemplified by an observational study from Australia [ 8].
The efficacy of TPE in anti-GBM disease was first suggested by an observational study of seven patients in 1976 [ 36].
The case study is limited by being an observational study.
Step 3 consists of assessing RCT feasibility by performing an observational study across potential enrollment sites and piloting the intervention.
Investigation of estimated covariate effects is more appropriately done by means of an observational study.
The 21-item FGVS, developed simultaneously in French and Spanish, was administered by phone during an observational study to 152 French and 152 Spanish patients who had undergone cataract or presbyopia surgery at least 1 year before the study.
The trial by Kersey (2007), an observational study measuring the VA in the Human Optics MicroSil toric IOL measured the least gain in UDVA with a mean post-operative result of 0.39 LogMAR [ 9].
