Persistent Penumbra in a Rabbit Stroke Model: Incidence and Histologic Characteristics

Table 1

Incidence of penumbra.

Model	Group	Number	Time point	Incidence of penumbra
Sphere	3 μm MB + US	19	24	4/14 (28.6%)
Sphere	Control	14	24	2/14 (14/3%)
Clot	Control	23	24	2/23 (8.7%)
Sphere	Control	7	4	1/7 (14.3%)

Summary of penumbra incidence by group. No significant differences in incidence were noted by model (𝑃=0.62), time point (𝑃=1.0), or treatment (𝑃=0.65).