Risk Factors Associated with Cognitive Decline after Cardiac Surgery: A Systematic Review

Figure 1

Studies attempting to quantify neuropsychological decline at various time points. The weighted mean and standard deviation (number of patients and % decline) are plotted by combining data from a total of 15649 patients and 94 studies; discharge (17 studies), 1-2 weeks (16 studies), 1 month (4 studies), 6 weeks (15 studies), 2-3 months (18 studies), 6 months (11 studies), 1 year (8 studies), and 3–5 years (5 studies).