Table 4.

Multivariate Logistic Analysis of Risk Factors for Infection in Patients with DF

Demographic Characteristics	Statistics	OR (95CI)	P-value
With blood system disease			0.441
No	159 (79.90%)	Ref
Yes	40 (20.10%)	1.38 (0.61, 3.09)
Osteoporosis			0.003
No	167 (83.92%)	Ref
Yes	32 (16.08%)	4.54 (1.68, 12.24)
Age (years)	62.29 ± 9.16	1.05 (1.01, 1.09)	0.006
Course of disease			0.006
<10 years	111 (55.78%)	Ref
≥10 years	88 (44.22%)	2.48 (1.31, 4.69)
Previous use of antibacterial drugs			0.01
No	77 (38.69%)	Ref
Yes	122 (61.31%)	2.38 (1.23, 4.60)
Types of antibacterial drugs			0.013
<2	32 (16.08%)	Ref
≥2	167 (83.92%)	3.29 (1.29, 8.39)

Abbreviations: DF, diabetic foot; OR, odds ratio; CI, confidence interval; Ref, reference.