The Clinical Application of Combined Ultrasound, Mammography, and Tumor Markers in Screening Breast Cancer among High-Risk Women

Table 1

Comparison of the distribution of high-risk factors among four groups of high-risk BC populations.

Factors	US group ()	MAM group ()	CA153 group ()	Combined detection group ()
Age (years)					3.285	0.772
30-39	485	502	495	490
40-49	1149	1096	1112	1095
50-70	1071	1109	1096	1121
Menarche age (years)					3.984	0.263
<12	336	295	317	298
≥12	2369	2412	2386	2408
Menopausal status					1.691	0.639
Premenopausal	2060	2094	2069	2056
Postmenopausal	645	613	634	650
Family history of BC					0.792	0.851
Yes	180	165	175	170
No	2525	2542	2528	2536
Breast disease history					1.538	0.674
Yes	157	137	145	150
No	2548	2570	2558	2556
Long-term use of exogenous estrogens					2.962	0.397
Yes	39	50	41	35
No	2666	2657	2662	2671
Delivery history					2.002	0.572
Yes	2545	2562	2561	2568
No	160	145	142	138
Obesity					1.210	0.751
Yes	262	252	240	257
No	2443	2455	2463	2449
Risk score ()					0.882	0.769