Table 4 –

Factors associated with subsequent antibiotic exposure after intracerebral hemorrhage

Characteristic	Unadjusted odds ratio (95%CI)	P value
Age, per decade	0.83 (0.74 – 0.93)	0.001
Male sex	2.17 (1.49 – 2.97)	<0.001
Temperature
>38.3 °C	1.92 (1.40 – 2.65)	<0.001
>38.9 °C	1.49 (1.03 – 2.17)	0.04
WBC > 12k/dL	1.19 (0.81 – 1.54)	0.49
Bandemia >10%	1.90 (0.90 – 4.01)	0.09
Number of SIRS criteria met	1.38 (1.16 – 1.64)	<0.001
Infiltrates on chest imaging	3.62 (2.06 – 6.39)	<0.001
Microbiology results
Blood – true positive	Unable*	--
Blood – false positive	4.09 (1.08 – 15.55)	0.04
Sputum – true positive	2.97 (1.88 – 4.67)	<0.001
Sputum – false positive	3.27 (2.17– 4.94)	<0.001
Urine – true positive	3.65 (1.76 – 7.54)	<0.001
Urine – false positive	1.54 (0.82 – 2.88)	0.18

^*Only one subject in this category, precluding regression.

Abbreviations: WBC – White blood cell count; SIRS – Systemic inflammatory response syndrome.