Table 2 Pathogenic organisms isolated from 1,895 patients with bloodstream infections between 2019 and 2020*
Pathogens | Year 2019 (N = 828) | Year 2020 (N = 1067) | P values | Non COVID-19 cases (N = 1838) | COVID-19 cases** (N = 57) | P values |
|---|---|---|---|---|---|---|
Gram negative bacteria | ||||||
Escherichia coli | 115 (13.9%) | 115 (10.7%) | 0.04 | 221 (12%) | 9 (15.8%) | 0.39 |
Klebsiella pneumonia | 201 (24.3%) | 207 (19.4%) | 0.01 | 398 (21.7%) | 10(17.5%) | 0.45 |
Klebsiella spp | 16 (1.9%) | 18 (1.7%) | 0.69 | 32 (1.7%) | 2 (3.5%) | 0.32 |
Proteus spp | 7 (0.9%) | 12 (1.1%) | 0.54 | 19 (1%) | 0 (0%) | 0.44 |
Salmonella spp | 21 (2.5%) | 12 (1.1%) | 0.02 | 33 (1.8%) | 0 (0%) | 0.62 |
Salmonella enterica | 3 (0.4%) | 1 (0.1%) | 0.32 | 4 (0.2%) | 0 (0%) | > 0.99 |
S. enterica serovar typhi | 2 (0.2%) | 4 (0.4%) | 0.70 | 5 (0.3%) | 1 (1.8%) | 0.05 |
Shigella spp | 1 (0.1%) | 0 (0%) | 0.43 | 1 (0.1%) | 0 (0%) | > 0.99 |
Pseudomonas aeruginosa | 59 (7.1%) | 98 (9.2%) | 0.10 | 152 (8.3%) | 5 (8.8%) | 0.89 |
Pseudomonas spp | 1 (0.1%) | 3 (0.3%) | 0.63 | 4 (0.2%) | 0 (0%) | > 0.99 |
Acinetobacter spp | 102 (12.3%) | 151 (14.1%) | 0.24 | 245 (13.3%) | 8 (14%) | 0.87 |
Aeromonas spp | 5 (0.6%) | 5 (0.5%) | 0.75 | 10 (0.5%) | 0 (0%) | > 0.99 |
Burkholderia cepacia | 6 (0.8%) | 7 (0.7%) | 0.85 | 13 (0.7%) | 0 (0%) | > 0.99 |
Citrobacter spp | 4 (0.5%) | 3 (0.3%) | 0.70 | 7 (0.4%) | 0 (0%) | > 0.99 |
Serratia spp | 11 (1.3%) | 6 (0.6%) | 0.07 | 17 (0.9%) | 0 (0%) | > 0.99 |
Other Gram-negative bacteria | 63 (7.6%) | 83 (7.7%) | 0.89 | 143 (7.8%) | 3 (5.3%) | 0.48 |
Gram positive bacteria | ||||||
Staphylococcus aureus | 88 (10.6%) | 128 (12%) | 0.35 | 213 (11.6%) | 3 (5.3%) | 0.13 |
Streptococcus pneumoniae | 2 (0.2%) | 1 (0.1%) | 0.58 | 2 (0.1%) | 1 (1.8%) | 0.08 |
Streptococcus pyogenes | 2 (0.2%) | (0.2%) | > 0.99 | 4 (0.2%) | 0 (0%) | > 0.99 |
Enterococcus faecium | 6 (0.8%) | 5 (0.5%) | 0.54 | 11 (0.6%) | 0 (0%) | > 0.99 |
Enterococcus faecalis | 22 (2.7%) | 39 (3.6%) | 0.22 | 55 (3.0%) | 6 (10.4%) | 0.01 |
Lactococcus garvieae | 0 (0%) | 1 (0.1%) | > 0.99 | 1 (0.1%) | 0 (0%) | > 0.99 |
Fungi | ||||||
Candida albicans | 7 (0.9%) | 30 (2.8%) | 0.01 | 34 (1.8%) | 3 (5.3%) | 0.67 |
Non-albicans Candida spp | 53 (6.4%) | 110 (10.3%) | 0.01 | 157 (8.5%) | 6 (10.5%) | 0.59 |
Cryptococcus spp | 2 (0.2%) | 0 (0%) | 0.19 | 2 (0.1%) | 0 (0%) | > 0.99 |
Other fungi | 0 (0%) | 3 (0.3%) | 0.26 | 3 (0.3%) | 0 (0%) | > 0.99 |
Polymicrobial infections*** | 29 (3.5%) | 23 (2.2%) | 0.07 | 52 (2.8%) | 0 (0%) | 0.40 |