TABLE 2

Perfusion Estimates for Simulation Study

Perfusion (mL/min/g)Perfusion estimate* (mL/min/g)
WNLRNREPatlak analysisIdeal WNLR
0.2500.245 ± 0.1650.293 ± 0.1350.282 ± 0.1390.269 ± 0.116
 MAVRE (%)33.324.031.725.4
0.5000.465 ± 0.1990.532 ± 0.1760.532 ± 0.2150.512 ± 0.158
 MAVRE (%)22.219.024.317.7
0.7500.712 ± 0.2640.781 ± 0.2190.793 ± 0.3020.761 ± 0.212
 MAVRE (%)19.216.521.115.8
1.0000.962 ± 0.3381.036 ± 0.2741.047 ± 0.3561.021 ± 0.261
 MAVRE (%)17.916.619.514.5
2.0001.922 ± 0.4772.005 ± 0.4072.073 ± 0.5462.008 ± 0.385
 MAVRE (%)13.612.014.810.9
3.0002.890 ± 0.5812.994 ± 0.5523.073 ± 0.6852.997 ± 0.482
 MAVRE (%)11.111.613.69.7
4.0003.897 ± 0.6244.014 ± 0.6614.057 ± 0.6963.993 ± 0.523
 MAVRE (%)9.710.111.58.3
  • * Mean ± SD.

  • n = 2,000 for each group.

  • MAVRE = median absolute value of relative error.