Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Jul 6, 2021; 9(19): 5046-5053
Published online Jul 6, 2021. doi: 10.12998/wjcc.v9.i19.5046
Table 3 Correlation analysis of risk factors for patients with primary breast cancer
VariableBStandard errorWaldorfP valueExp (B) 95%CI of Exp (B)
Lower limit
Upper limit
< 40 yr14.0590.001
40-59 yr0.6030.2774.7410.0291.8281.0623.148
≥ 60 yr2.0590.56813.128< 0.0017.8422.57423.892
Age at menarche (≤ 14 yr, > 14 yr)0.9650.26113.633< 0.0012.6261.5734.384
Age at first birth0.0830.0384.840.0281.0861.0091.17
Number of births0.2660.1762.2910.131.3050.9241.843
Number of miscarriages-0.2070.1123.4140.0650.8130.6521.013
Breastfeeding (mo)-0.0090.0110.6650.4150.9910.971.013
History of family malignant tumors0.3460.3111.2380.2661.4130.7682.599
History of benign breast surgery-1.3550.4897.6640.0060.2580.0990.673
Gynecological diseases-0.3570.2991.420.2330.70.3891.258
Thyroid disease-0.1560.3050.2610.6090.8560.4711.555