Ann Clin Microbiol 2023;26:147-157. Analysis of blood culture data at a university hospital: bacterial distribution and cumulative antimicrobial resistance (2016–2020)
Table 1. Statistics of blood cultures during the 2016-2020
20162017201820192020Total
No. of blood cultures 60,15363,09463,56061,50164,036312,344
No growth 55,03757,93158,77856,94959,035287,730
Growth 5,1165,1634,7824,5525,00124,614
Growth rate (95% CI)8.5% (8.3-8.7)8.2% (8.0-8.4)7.5% (7.3-7.7)7.4% (7.2-7.6)7.8% (7.6-8.0)7.9% (7.8-8.0)
No. of total isolates*2,898 2,848 2,739 2,514 2,617 13,616
Significant pathogens (%)1,751 (60) 1,800 (63)1,707 (62)1,736 (69)1,762 (67)8,756 (64)
Contaminants (%)1,147 (40)1,048 (38)1,032 (38)778 (31)855 (33)4,860 (36)

*by patient (first isolate only per year). Abbreviation: CI, confidence interval.