Impact of matrix-assisted laser desorption/ionization time of flight mass spectrometric evaluation on the clinical outcomes of patients with bacteremia and fungemia in clinical settings lacking an antimicrobial stewardship program: a pre-post quasi experimental study

Table 4 Clinical outcomes in Infectious disease Intervention subgroup

Outcomes	Conventional period n = 79 (%)	MALDI-TOF period n = 75 (%)	P Value†
Time to pathogen identification (hours)	86.9 ± 30.4	62.5 ± 23.1	< 0.001
Time to effective therapy (hours)	27.8 ± 32.4	17.1 ± 25.7	0.031
30-day all-cause mortality	7 (8.9)	5 (6.7)	0.612
Time to microbiological clearance (days)	4.1 ± 3.0	3.4 ± 2.0	0.081
Length of ICU stay (days)	14.1 ± 26.0	11.7 ± 12.8	0.719
30-day Recurrence of same BSI	2 (2.5)	0 (0.0)	0.497

*Abbreviations: MALDI-TOF matrix-assisted laser desorption/ionization time-of-flight, ICU intensive care unit, BSI bloodstream infection
†P-values were calculated using the chi-square or Fisher’s exact test for categorical variables and Student’s t-test for continuous variables

ISSN: 1471-2334