Table 6. Multivariate Logistic regression analysis for the infection of MDROs.

Selected variable	β	SE	Wald	P-value	OR (95% CI)
Previous antimicrobial exposure	1.925	0.606	10.085	0.001	6.853(2.090,22.477)
Combined osteomyelitis	1.294	0.577	5.030	0.025	3.649(1.177,11.311)
Wanger grade 3-5	1.708	0.777	4.833	0.028	0.181(0.040,0.831)
Ischemic nerve wound	3.074	0.659	21.762	0.000	21.629(5.945,78.697)
The same infected wound >2 times per year	1.288	0.681	3.579	0.059	0.276(0.073,1.047)