TABLE 2.

Blood culture time to positive results

	3D			Virtuo
Time to positive (hours)	n	Median	IQR	n	Median	IQR	P
All samples	115	21.1	15.2, 26.0	114	16.2	10.5, 24.1	<0.001
All samples, omitting Fungal	115	21.1	15.2, 26.0	108	15.5	10.2, 22.2	<0.001
Patient samples with AST	49	16.0	13.4, 19.7	51	11.1	8.0, 19.1	0.008
Patients samples with AST omitting fungal	49	16.0	13.4, 19.7	47	10.9	7.8, 18.3	<0.001
All monomicrobial Gram-negative samples	29	17.1	13.4, 22.0	22	10.2	6.7, 13.9	<0.001
Monomicrobial Gram-negative patient samples with AST	22	15.5	13.3, 18.1	20	10.1	6.0, 12.4	<0.001
All monomicrobial Gram-positive bacterial samples	81	21.5	16.6, 26.1	80	17.2	12.1, 24.1	0.003
Monomicrobial Gram-positive patient bacterial samples with AST	25	18.6	15.1, 22.5	21	13.8	8.8, 19.2	0.189