Clinical characteristics and role of whole-body bone scan in multifocal osteonecrosis

Table 4 Logistic regression analyses of factors associated with multifocal osteonecrosis (ON) in patients with ON

Clinical factor	Univariate			p-value	Multivariate			p- value	Multivariate			p- value
Clinical factor	OR	95% Wald CI		p-value	OR	95% Wald CI		p- value	OR	95% Wald CI		p- value
Age	0.964	0.937	0.992	0.013	0.967	0.940	0.994	0.017	0.978	0.950	1.008	0.149
Alcohol abuse	0.745	0.324	1.712	0.488	0.894	0.360	2.219	0.810	1.131	0.438	2.917	0.799
Trauma history	0.206	0.027	1.571	0.128	0.273	0.034	2.188	0.273	0.257	0.033	2.024	0.197
Comorbidity	3.387	1.413	8.118	0.006	2.674	1.033	6.922	0.043	–
Use of corticosteroids	5.696	2.434	13.328	< 0.001	–				4.512	1.702	11.964	0.002
Use of immunosuppressive agents	3.447	1.474	8.061	0.004	–				–

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