Table 3:

Change of PCT parameters between immediately before and the day after the IAN intervention*

Preintervention1 Day PostinterventionP†
MTT3.27 (2.99–3.84)2.72 (2.24–3.38).17
Tmax1.66 (1.43–2.29)1.55 (1.12–1.94).03
CBF13.67 (10.86–15.45)13.90 (9.52–25.96).15
CBV4.0 (3.51–5.87)3.74 (2.97–5.59).52

  • Note:—CBF indicates cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time; Tmax, selective time to peak of brain parenchyma.

  • * Data are presented as medians (interquartile range).

  • † With the signed rank test for paired samples.