Diagnostic Value of Ultrasonography Combined with Hysteroscopy in Intrauterine Space-Occupying Abnormalities

Table 1

Comparison of basic data among three groups.

Item	Submucous myoma group	Endometrial polyp group	Placenta residue group	P
Sample size	33	33	33
Age	28.11 ± 1.82	29.26 ± 2.68	25.07 ± 2.54	0.932
History of diabetes				0.819
Yes	9	6	6
No	24	27	27
History of smoking				0.707
Yes	10	11	9
No	23	22	24
Age of menarche	12.1 ± 1.44	12.8 ± 2.1	11.89 ± 1.33	0.606
First pregnancy				0.511
Yes	12	14	13
No	21	19	20