I utilized RevMan, type 4.2 to own Screen by Cochrane Collaboration so you can evaluate investigation. I utilized the outcome of the original studies off multivariable activities with the most over improvement to own possible confounders; table 1 ? shows the fresh confounding variables among them study. I utilized a haphazard effects model you to accounts for interstudy type and offers an even more old-fashioned impact than just a predetermined design.
We categorized the research with regards to the different scientific consequences (mortality out-of all of the grounds, death away from cardio disease, incidence away from otherwise death from cancer, and you can chance off Parkinson’s condition and Alzheimer’s disease). We reviewed the possibility sources of heterogeneity with the fundamental ? dos attempt. Concurrently, we http://www.datingmentor.org/serbia-chat-rooms utilized the I dos statistic to analyze heterogeneity of the investigating the fresh the total amount regarding inconsistency along the data efficiency. Více