Table 4.

Multivariable analysis, risk factors BASIC

Variable	p value	Odd’s ratio	95% CI for the Exp.
Anticoagulants	0.142	1.454	0.883	2.394
COPD	0.007	2.271	1.254	4.113
Dyslipidemia	0.042	1.396	1.012	1.928
Gender (male)	0.037	1.438	1.023	2.023
Psychiatric history	0.137	1.298	0.921	1.831
Revisional surgery	0.021	1.498	1.064	2.110

COPD chronic obstructive pulmonary disease