Intraoperative Contrast Enhanced Ultrasound Evaluates the Grade of Glioma

Table 2

The comparison of brain edema about different grade gliomas.

Sampling sites	LGG			HGG
	TTS	TTP	API	TTS	TTP	API
Cancer	11.19 ± 2.44	19.29 ± 3.80	154.64 ± 31.71	9.99 ± 3.12	17.29 ± 3.77	177.12 ± 31.79
Peritumoral edema	12.19 ± 2.30	19.49 ± 3.87	111.37 ± 29.42	11.51 ± 2.62	19.55 ± 3.08	107.88 ± 19.13
Peritumoral normal tissue	11.45 ± 3.44	19.39 ± 3.73	81.92 ± 29.71	11.99 ± 2.66	19.41 ± 3.20	63.25 ± 21.30
value	0.24	0.01	10.20	3.03	3.11	111.62
value	0.78	0.99	0.001	0.06	0.051	0.000