Value of Transvaginal Two-Dimensional Contrast-Enhanced Ultrasonography in Diagnosing Atypical Ovarian Corpus Luteum Hematoma

Table 6

Comparing TIC parameters M (, ) between AT-OCLH and nonluteal cystic lesions.

Group	Cases (N)	AT (s)	TTP (s)	PEAK (%)
AT-OCLH	23	12.0 (11.0,15.3)	24.1 (20.7,26.5)	39.7 (28.2,56.0)
Non-luteum	12	16.5 (11.7,20.0)	24.3 (19.0,35.6)	26.2 (21.8,44.4)
U value		72	104	84
P		0.031＊	0.424	0.123

Note. Mann-Whitney U test, P < 0.05. AT: arrival time of contrast agent; PEAK: peak intensity; TTP: Time-to-Peak.