Table 2.

CEUS parameters in different groups (n = 10, $\overline{x}\pm \text{SD}$).

Group	PI (10E-5 AU)		AUC (10E-5 AU·s)
	Before the first treatment (day 8)	After the last treatment (day 22)	Before the first treatment (day 8)	After the last treatment (day 22)
M	28.15 ± 8.55	26.17 ± 7.14	1088.33 ± 278.13	921.87 ± 197.45
UTMD	30.32 ± 7.23	23.46 ± 5.72	1046.54 ± 241.28	777.35 ± 166.34
APA	29.19 ± 6.16	15.37 ± 3.53∗#	1118.12 ± 312.26	597.27 ± 162.13∗#
APA-U	29.13 ± 8.05	9.93 ± 2.43∗#△	996.30 ± 201.44	440.35 ± 96.97∗#△

Note: ^∗P < 0.05 vs. M group; ^#P < 0.05 vs. UTMD group; ^△P < 0.05 vs. APA group.