Words similar to observational
Example sentences for: observational
How can you use “observational” in a sentence? Here are some example sentences to help you improve your vocabulary:
If proper methods for selecting and combining studies are used, observational studies can also be included in a meta-analysis [ 9 10 11 ] . Guidelines for meta-analysis of observational studies have been published [ 12 ] . In particular, meta-analysis may be used for combining studies in research where clinical trials would not be practical or would be unethical.
In recent years intravenous colistin has occasionally been used in acute exacerbations of multiresistant P. aeruginosa in patients with cystic fibrosis [ 19 20 21 ] . With regard to adult patients without cystic fibrosis treated with colistin, an observational study [ 9 ] reported a clinical response rate of 58%.
And other critics might argue that there are circumstances in which observational studies (or outcome studies)are a better choice than clinical trials [ 11 ] .
This result is in contrast to the results of our earlier observational study at Polaroid, which found a significant association of outdoor air supply rates and sick leave [ 15 ] . In the earlier study, we used a larger number of work areas (115) including areas with lower ventilation and higher CO 2 concentrations than were available for this intervention study.
Our findings require careful interpretation for three key reasons: (1) the absence of maternal serum for quantifying PCB and other environmental exposures; (2) the retrospective reporting of fish consumption by mothers in this observational study; and (3) the potential selectiveness of our sample based on licensed fish holders who agreed to participation.
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