It was found that thrombolysis is more likely to be delivered within the established ACC guidelines among patients with STEMI as compared to PCI according to a case control study.
22.
According to a large U . S . case control study, prior strangulation is a substantial and unique predictor of attempted and completed homicide of women by a male intimate partner.
23.
Thus, a case control study lacks the precision and validity of a randomized controlled trial that most scientists and regulatory agencies consider the gold standard in determining safety and effectiveness of therapies.
24.
A 2015 case control study identified a link ( odds ratio 3.4 ) between " in-utero " exposure ( as estimated from archived maternal blood samples ) and breast cancer diagnosis in daughters.
25.
In case control studies, people who have had a heart attack or other condition are compared with a group of the same age, sex and time of diagnosis who did not have the problem.
26.
A 2007 case control study using archived blood samples found that breast cancer risk was increased 5-fold among women who were born prior to 1931 and who had high serum DDT levels in 1963.
27.
Case control studies have shown effects such as tremors, impaired cognitive skills, and sleep disturbance in workers with chronic exposure to mercury vapor even at low concentrations in the range 0.7 42 ?g / m 3.
28.
Chronic exposure by inhalation, even at low concentrations in the range 0.7 42 ?g / m 3, has been shown in case control studies to cause effects such as tremors, impaired cognitive skills, and sleep disturbance in workers.
29.
Whenever a member of the group contracts cancer, you can perform what's known as a nested case control study by going back and looking at the history of the patient's fluctuations in whatever biomarker you're trying to evaluate.
30.
A major drawback for case control studies is that, in order to be considered to be statistically significant, the minimum number of cases required at the 95 % confidence interval is related to the odds ratio by the equation: