Table 4 Distribution of causative organisms by term and preterm neonates and by birth weight status, (N = 292)
Causative organisms | Pre-term (< 37 weeks) (N = 186) | Term (> 37 weeks) (N = 96) | ELBW (N = 31) | LBW (N = 139) | NBW (N = 122) |
|---|---|---|---|---|---|
Gram-positive bacteria | |||||
 CoNS | 29 (87.9%) | 4 (12.1%) | 11 (33.3%) | 18 (54.6%) | 4 (12.1%) |
 α hemolytic streptococcus | 20 (58.8%) | 14 (41.2%) | 1 (2.9%) | 10 (29.4%) | 23 (67.7%) |
 GBS | 8 (32.0%) | 17 (68.0%) | 0 (0.0%) | 5 20.0%) | 20 (80.0%) |
 Staphylococcus Aureus | 5 (25.0%) | 15 (75.0%) | 2 (10.0%) | 5 (25.0%) | 13 (65.0%) |
 Streptococcus pyogenes | 1 (33.3%) | 2 (66.7%) | 0 (0.0%) | 0 (0.0%) | 3 (100.0%) |
 MRSA | 4 (57.1%) | 3 (42.9%) | 0 (0.0%) | 5 (71.4%) | 2 (28.6%) |
 Enterococcus species | 6 (40.0%) | 9 (60.0%) | 2 (13.3%) | 1 (6.7%) | 12 (80.0%) |
 Listeria | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) |
Gram-negative bacteria | |||||
 E. coli | 32 (72.7%) | 12 (27.3%) | 3 (6.8%) | 26 (59.1%) | 15 (34.1%) |
 Klebsiella spp. | 37 (84.1%) | 7 (15.9%) | 5 (11.4%) | 30 (68.2%) | 9 (20.4%) |
 Acinetobacter | 18 (78.3%) | 5 (21.7%) | 3 (13.0%) | 15 (65.2%) | 5 (21.7%) |
 Enterobacter species | 12 (92.3%) | 1 (7.7%) | 2 (15.4%) | 9 (69.2%) | 2 (15.4%) |
 Pseudomonas species | 3 (50.0%) | 3 (50.0%) | 0 (0.0%) | 5 (83.3%) | 1 (16.7%) |
 Haemophilus influenza | 5 (100.0%) | 0 (0.0%) | 0 (0.0%) | 5 (100.0%) | 0 (0.0%) |
 Serratia | 2 (66.7%) | 1 (33.3%) | 1 (33.3%) | 1 (33.3%) | 1 (33.3%) |
 Yersinia enterocolitica | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) |
 Proteus | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) |
 Morganella | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) |
 Stenotrophomons maltophila | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) |
 Unknown bacteria | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) |
 Candida albicans | 1 (100.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100.0%) | 0 (0.0%) |