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Table 4 The effect of UFH for the thresholds: a paired t test

From: Which is the proper reference tissue for measuring the change in FDG PET metabolic volume of cardiac sarcoidosis before and after steroid therapy?

   Pre-therapy   p value During therapy   p value
Region UFH (+) (n = 30) UFH (−) (n = 8)   UFH (+) (n = 27) UFH (−) (n = 11)  
SUVmean + 3SD Liver 1 3.5 ± 0.4 3.6 ± 0.5 0.29 3.9 ± 0.6 3.4 ± 0.5 0.03
SUVmax Liver 2 3.5 ± 0.4 3.6 ± 0.4 0.76 4.0 ± 0.6 3.5 ± 0.5 0.03
DA 2.2 ± 0.3 2.1 ± 0.3 0.76 2.3 ± 0.3 2.1 ± 0.3 0.09
SUVmean Liver 2 2.7 ± 0.3 2.8 ± 0.4 0.23 3.1 ± 0.5 2.7 ± 0.4 0.03
DA 1.9 ± 0.3 1.9 ± 0.3 0.83 2.0 ± 0.3 1.8 ± 0.3 0.1
SUVpeak Liver 2 3.0 ± 0.4 3.1 ± 0.4 0.61 3.5 ± 0.6 3.1 ± 0.5 0.03
DA 2.0 ± 0.3 1.9 ± 0.3 0.51 2.0 ± 0.3 1.9 ± 0.3 0.06
  1. SD standard deviation, UFH unfractionated heparin, SUV standardized uptake value, Liver 1 SUV in the liver by semi-automated method, Liver 2 SUV in the liver by manual process, DA descending aorta