Table 4.

Multivariable logistic regression of factors associated with mixed-CA/B-BSIs

Risk factors	B	S.E.	Wald	P value	OR(95% CI)
Prior hospital stay> 7 days	0.787	1.581	0.248	0.618	2.198 (0.099,48.740)
Prior ICU stay> 2 days	2.008	0.952	4.444	0.035	7.445 (1.152,48.132)
Prior antibiotic exposure> 7 days	1.289	1.176	1.203	0.273	3.631 (0.362,36.383)
Prior mechanical ventilation> 2 days	−0.469	0.809	0.336	0.562	0.626 (0.128,3.057)
Hemodialysis catheter	0.707	0.913	0.600	0.439	2.028 (0.339,12.133)
Two or more central venous catheters	0.525	0.889	0.348	0.555	1.690 (0.296,9.652)
Constant	−4.519	1.147	15.517	0.000	0.011(−)

Notes: Bold, indicates P < 0.05

Abbreviations: B coefficient, S.E. standard error, Wald Wald test statistic, OR odds ratio, CI confidence interval, ICU intensive care unit, CRRT continuous renal replacement therapy