Table 1.

Comparison of patients’ clinical data

Groups	Partial hydatidiform mole group (n = 31)	Hydropic abortion group (n = 23)	χ2/t/Z	P
Age (years old)	26.8±2.9	26.6±4.4	0.201	0.841
Gestational age (weeks)	8.7±1.4	8.4±1.7	0.711	0.481
Gravidity (n)			0.273	0.601
First pregnancy	21	14
Two or more pregnancies	10	9
hCG before curettage (IU/L)	112890 (7063-267490)	137760 (6707-251520)	-0.883	0.377

Notes: hCG, human chorionic gonadotropin.