Table 1 Pathogens distribution of neonatal ventilator-associated pneumonia (VAP) in the NICU of CGMH, October 2017 to September 2020
|  | Polymicrobial VAP (total n = 60 episodes) | Monomicrobial VAP (total n = 176 episodes) | MDR pathogens (total n = 98 bacteria) |
|---|---|---|---|
Gram-positive cocci | 41 (32.5) | 44 (25.0) | 35 (35.7) |
 Methicillin resistant Staphylococcus aureus | 20 (15.9) | 15 (8.5) | 35 (35.7) |
 Methicillin sensitive Staphylococcus aureus | 18 (14.3) | 28 (15.9) | 0 (0) |
 Enterococcus spp. | 1 (0.8) | 1 (0.6) | 0 (0) |
 Group B Streptococcus | 2 (1.6) | 0 (0) | 0 (0) |
Gram-negative bacilli | 85 (67.5) | 122 (69.3) | 59 (60.2) |
 Klebsiella pneumonia | 21 (16.7) | 21 (11.9) | 13 (13.3) |
 Pseudomonas aeruginosa | 11 (8.7) | 21 (11.9) | 6 (6.1) |
 Acinetobacter baumannii | 15 (11.9) | 17 (9.7) | 4 (4.1) |
 Escherichia coli | 9 (10.9) | 15 (8.5) | 11 (11.2) |
 Serratia marcescens | 7 (7.1) | 14 (8.0) | 0 (0) |
 Enterobacter spp. | 2 (1.6) | 19 (10.8) | 2 (2.0) |
 Stenotrophomonas maltophilia | 12 (9.5) | 6 (3.4) | 18 (18.4) |
 Klebsiella aerogenes | 5 (4.0) | 6 (3.4) | 3 (3.1) |
 Klebsiella oxytoca | 3 (2.4) | 3 (1.7) | 2 (2.0) |
Othersa | 0 (0) | 10 (5.7) | 4 (4.1) |