Table 4.
Proportion of UTIs concordant with blood cultures stratified by birth weight
| Organism | <1000 g (N=568) | 1000–1499 g (N=264) | 1500–2499 g (N=157) | ≥2500 g (N=172) |
|---|---|---|---|---|
| Gram-positive cocci | 21/148 (14%) | 13/96 (14%) | 7/66 (11%) | 11/58 (20%) |
| CoNS | 18/80 (23%) | 8/39 (21%) | 2/23 (9%) | 2/21 (10%) |
| Enterococcus | 3/57 (5%) | 2/46 (4%) | 2/32 (6%) | 3/17 (18%) |
| Group B Streptococcus | 0/2 (0%) | 2/5 (40%) | 1/7 (14%) | 3/13 (23%) |
| Staphylococcus aureus | 0/5 (0%) | 1/2 (50%) | 1/1 (100%) | 3/5 (60%) |
| Gram-negative rods | 18/281 (6%) | 7/121 (6%) | 4/76 (5%) | 5/101 (5%) |
| Escherichia coli | 4/85 (5%) | 3/42 (7%) | 1/31 (3%) | 2/51 (4%) |
| Enterobacter | 7/68 (10%) | 2/26 (8%) | 2/18 (11%) | 1/15 (7%) |
| Klebsiella | 2/55 (4%) | 2/30 (7%) | 0/11 (0%) | 0/17 (0%) |
| Serratia | 3/24 (13%) | 0/7 (0%) | 0/3 (0%) | 0/5 (0%) |
| Pseudomonas | 1/24 (4%) | 0/3 (0%) | 0/5 (0%) | 1/3 (33%) |
| Proteus | 1/8 (13%) | 0/3 (0%) | 1/2 (50%) | 0/2 (0%) |
| Candida | 31/121 (26%) | 6/35 (17%) | 3/13 (23%) | 1/9 (11%) |
Abbreviations: CoNS, coagulase-negative staphylococci.