Table 2 Frequency of isolated bacteria in neonates with bacterial meningitis according to birth weight, onset type, and gestational age
Organisms found in CSF culture | Birth weight | Onset type | Gestational age | |||
|---|---|---|---|---|---|---|
LBW <2500 g n (%) | NBW ≥2500 g n (%) | Early n (%) | Late n (%) | Preterm n (%) | Term n (%) | |
No bacterial growth | 632 (95) | 501 (96) | 506 (95) | 627 (96) | 578 (96) | 555 (94) |
Klebsiella spp. | 3 (0.5) | 2 (0.4) | 3 (0.6) | 2 (0.3) | 3 (0.5) | 2 (0.3) |
S. pneumoniae | 5 (0.8) | 8 (1.5) | 6 (1.1) | 7 (1.1) | 4 (0.7) | 9 (1.5) |
S. pyogen | 1 (0.2) | 2 (0.4) | 1 (0.2) | 2 (0.3) | 1 (0.2) | 2 (0.3) |
S. aureus | 2 (0.3) | 1 (0.2) | 2 (0.4) | 1 (0.2) | 1 (0.2) | 2 (0.3) |
E. coli | 6 (0.9) | 3 (0.6) | 4 (0.8) | 5 (0.8) | 3 (0.5) | 6 (1) |
Acinetobacter | 7 (1.1) | 0 (0) | 7 (1.3) | 0 (0) | 5 (0.8) | 2 (0.3) |
N. meningitidis | 3 (0.5) | 2 (0.4) | 1 (0.2) | 4 (0.6) | 1 (0.2) | 4 (0.7) |
H. influenzae | 0 (0) | 1 (0.2) | 0 (0) | 1 (0.2) | 0 (0) | 1 (0.2) |
Coag. Negative-Staph | 0 (0) | 2 (0.4) | 0 (0) | 2 (0.3) | 1 (0.2) | 1 (0.2) |
Non-Group-A-Strep | 2 (0.3) | 0 (0) | 1 (0.2) | 1 (0.2) | 1 (0.2) | 1 (0.2) |
Salmonella | 2 (0.3) | 0 (0) | 0 (0) | 2 (0.3) | 2 (0.3) | 0 (0) |
Others | 3 (0.5) | 1 (0.2) | 2 (0.4) | 2 (0.3) | 1 (0.2) | 3 (0.5) |
Total positive | 34 (5.1) | 22 (4.2) | 27 (5.1) | 29 (4.4) | 23 (3.8) | 33 (5.6) |
Total | 666 (100) | 523 (100) | 533 (100) | 656 (100) | 601 (100) | 588 (100) |