Table 2:
Comparison of pre- and posttreatment CTP data for symptomatic and asymptomatic patientsa
| Pre- and Posttreatment | rCBV (mL/100 g) (mean) | P Value | dMTT (s) (mean) | P Value | rCBF (mL/100 g/min) (mean) | P Value |
|---|---|---|---|---|---|---|
| Symptomatic patients before treatment (n = 31) | 1.02 ± 0.13 | 1.29 ± 1.21 | 0.81 ± 0.14 | |||
| Symptomatic patients after treatment (n = 31) | 0.95 ± 0.14 | .036b | 0.14 ± 1.08 | <.001b | 0.93 ± 0.17 | <.001b |
| Asymptomatic patients before treatment (n = 14) | 1.03 ± 0.08 | 0.56 ± 0.66 | 0.92 ± 0.12 | |||
| Asymptomatic patients, after treatment (n = 14) | 1.05 ± 0.13 | .221 | 0.06 ± 0.55 | 0.081 | 1.03 ± 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.