Table 2. Multiple logistic regression analysis of infection in breast cancer patients during postoperative chemotherapy.

Factor	Regression coefficient	SEM	Waldχ2	P	OR	95% CI
Aged ≥60 years	0.935	0.311	9.039	0.003	2.547	1.385–4.686
Combined diabetes	0.834	0.296	7.939	0.005	2.303	1.289–4.113
Clinical TNM staging ≥ stage III	0.684	0.235	8.472	0.004	1.982	1.250–3.141
WBC <3.5×109/L	0.432	0.216	4.000	0.046	1.540	1.009–2.352
CD4+/CD8+ <1.33	0.765	0.308	6.169	0.013	2.149	1.175–3.930
TNF-α ≥70 ng/L	0.594	0.263	5.101	0.024	1.811	1.082–3.033
CRP ≥60 mg/L	1.238	0.439	7.953	0.005	3.449	1.459–8.153

SEM, Standard error of the mean; WBC, white blood cell count.