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Table 3 Episodes of laboratory-confirmed bloodstream infection in different age groups of children

From: Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study

Organism* Early onset† N (%) Late onset‡ N (%) Older§ N (%) Total N (%)
Klebsiella spp. 17 (31.5) 7 (22.6) 12 (7.1) 36 (14.1)
Salmonellae 0 (0.0) 1 (3.2) 32 (18.8) 33 (12.9)
Escherichia coli 6 (11.1) 3 (9.7) 19 (11.2) 28 (11.0)
Enterobacter spp. 4 (7.4) 1 (3.2) 2 (1.2) 7 (2.7)
Other Enterobacteriaceae 1 (1.9) 0 (0.0) 1 (0.6) 2 (0.8)
Total Enterobacteriaceae 28 (51.9) 12 (38.7) 66 (38.8) 106 (41.6)
Acinetobacter spp. 1 (1.9) 0 (0.0) 10 (5.9) 11 (4.3)
Pseudomonas aeruginosa 0 (0.0) 0 (0.0) 9 (5.3) 9 (3.5)
Other non-Enterobacteriaceae 4 (7.4) 0 (0.0) 5 (2.9) 9 (3.5)
Total non- Enterobacteriaceae 5 (9.3) 0 (0.0) 24 (14.1) 29 (11.4)
GNR not further specified 1 (1.9) 1 (3.2) 5 (2.9) 7 (2.7)
Total GNR 34 (63.0) 13 (41.9) 95 (55.9) 142 (55.7)
Staphylococcus aureus 6 (11.1) 5 (16.1) 15 (8.8) 26 (10.2)
Enterococci 3 (5.6) 4 (12.9) 23 (13.5) 30 (11.8)
Group B streptococci 2 (3.7) 1 (3.2) 0 (0.0) 3 (1.2)
Other Streptococcus 1 (1.9) 0 (0.0) 2 (1.2) 3 (1.2)
Total Gram positive 12 (22.2) 10 (32.3) 40 (23.5) 62 (24.3)
Mycobacterium tuberculosis 0 (0.0) 0 (0.0) 1 (0.6) 1 (0.4)
Candida spp. 1 (1.9) 3 (9.7) 15 (8.8) 19 (7.5)
Polymicrobial infections 7 (13.0) 5 (16.1) 19 (11.2) 31 (12.2)
Total 54 (100.0) 31 (100.0) 170 (100.0) 255 (100.0)
  1. GNR, Gram-negative rods. *The percentage refers to the proportion of all episodes of laboratory-confirmed bloodstream infection. Anaerobes, coagulase-negative staphylococci and bacterial isolates of uncertain pathogenicity were not included. † Early-onset = age 0–6 days. ‡ Late-onset = age 7–30 days. † Older = 1 month – 7 years.