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Correlated diffusion imaging (CDI) comparison of COVID+ and COVID− groups using different b‐values controlled for age and sex differences, where log(CDI) is greater in COVID+ participants. (a) b = 700 s/mm2, (b) b = 1400 s/mm2, and (c) b = 2100 s/mm2. Red regions are statistically significant. Highest significance in the b = 2100 s/mm2 analysis. Slices are taken as shown in the icon to the left.
