Table 2:

Comparison of pre- and posttreatment CTP data for symptomatic and asymptomatic patientsa

Pre- and PosttreatmentrCBV (mL/100 g) (mean)P ValuedMTT (s) (mean)P ValuerCBF (mL/100 g/min) (mean)P Value
Symptomatic patients before treatment (n = 31)1.02 ± 0.131.29 ± 1.210.81 ± 0.14
Symptomatic patients after treatment (n = 31)0.95 ± 0.14.036b0.14 ± 1.08<.001b0.93 ± 0.17<.001b
Asymptomatic patients before treatment (n = 14)1.03 ± 0.080.56 ± 0.660.92 ± 0.12
Asymptomatic patients, after treatment (n = 14)1.05 ± 0.13.2210.06 ± 0.550.0811.03 ± 0.14.026b

  • ↵a The significance of the difference between relative perfusion parameters was tested using the paired-samples t test in symptomatic patients and the Wilcoxon signed rank test in asymptomatic patients.

  • ↵b Significant difference with a P value < .05.