| Centre A | Centre B | Centre C | |
| VLBW admissions | 463 | 1023 | 872 |
| Bacterial | |||
| Positive BC/month | 3.4 | 11.2 | 5.4 |
| Positive BC/100 VLBW admissions | 44.5 | 65.5 | 31.7 |
| Positive BC/1000 ICU + HDU days | 16.3 | 21.8 | 12.2 |
| Fungal | |||
| Positive BC/year | 1.0 | 3.4 | 6.4 |
| Positive BC/100 VLBW admissions | 1.1 | 1.8 | 3.1 |
| Positive BC/1000 ICU + HDU days | 0.4 | 0.6 | 1.2 |
BC, blood culture; HDU, high dependency unit; ICU, intensive care unit; VLBW, very low birthweight.