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Bar plot showing the median standard deviation of total brain volume for GE and Philips vendors according to cumulative repetition time percentage discrepancy from the CDIP criteria (GE 1%: 6.63–6.77 ms, 5% 6.37–7.04 ms, 10%: 6.03–7.37 ms, Philips 1%: 7.23–7.37 ms, 5%: 6.94–7.67 ms, 10%: 6.57–8.03 ms). Error bars denote 95% confidence intervals. White numbers indicate the number of scans meeting each criterion.
