Figure 5From: A capillary blood ammonia bedside test following glutamine load to improve the diagnosis of hepatic encephalopathy in cirrhosis ROC curves with respect to sensitivity and specificity of baseline (Panel A) and post glutamine load (Panel B) capillary blood ammonia levels for the diagnosis of minimal HE. At 60 minutes, using a cut-off level of 260 umol/l, the sensitivity was 79% and the specificity was 50%.Back to article page