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Table 4: 
Brain FLAIR discrete hyperintense foci associated with age
Correlation with Age
rsP
1.5T discrete foci: total cerebral number0.690.005
1.5T discrete foci: total cerebral volume0.700.006
3T discrete foci: total cerebral number0.740.0001
3T discrete foci: total cerebral volume0.720.0002
  • Note:—rs = Spearman correlation coefficient. According to Choi's test for correlations, there was no difference in the correlation between age and number of hyperintense foci (p = 0.2) or age and hyperintense foci volume (p = 0.3) when comparing the 2 scanners. See also Fig 3.