Table:
Groups	Number of brain cysts (means ± SD)
Blank control	3366.67 ± 115.47
PBS	3463.33 ± 109.70
pVAX I	3150.00 ± 129.41
pVAX-GRA16	1866.67 ± 152.75∗∗∗

Transform the image into Markdown format.

| Groups | Number of brain cysts (means ± SD) | 
 | --- | --- | 
 | Blank control | 3366.67 ± 115.47 | 
 | PBS | 3463.33 ± 109.70 | 
 | pVAX I | 3150.00 ± 129.41 | 
 | pVAX-GRA16 | 1866.67 ± 152.75∗∗∗ |