Correlation of clinical severity grades of acute hepatic encephalopathy with initial MRI severity and PALa

CriteriaWest Haven GradeOutcomeFLAIR SeverityDWI SeverityPAL
West Haven Grade0.533 (.016)−0.089 (.708)−0.026 (.912)0.400 (.090)
Outcome0.533 (.016)0.592 (.006)0.487 (.029)0.691 (.001)b
FLAIR−0.089 (.708)0.592 (.006)0.760 (.0001)b0.680 (.001)b
DWI−0.026 (.912)0.487 (.029)0.760 (.0001)b0.690 (.001)b
PAL0.400 (.090)0.691 (.001)b0.680 (.001)b0.690 (.001)b
  • a P values are in parentheses; –, negative correlation.

  • b Significant correlations at P < .005.