Infection episodes per year as a percentage of all live births in each birth weight category
| Birth weight (g) | 2006 | 2007 | 2008 | |
|---|---|---|---|---|
| <1000 | −CoNS | 25.3 (94/372) | 19.3 (95/492) | 21.0 (127/602) |
| +CoNS | – | 40.8 (201/492) | 43.2 (260/602) | |
| 1000–1499 | −CoNS | 4.5 (21/458) | 5.6 (26/464) | 3.6 (23/646) |
| +CoNS | – | 12.9 (60/464) | 8.2 (53/646) | |
| 1500–2500 | −CoNS | 1.3 (16/1187) | 1.5 (21/1404) | 1.0 (16/1541) |
| +CoNS | – | 2.1 (30/1404) | 2.3 (36/1541) | |
| >2500 | −CoNS | 3.2 (38/1886) | 1.3 (33/2526) | 1.0 (29/2814) |
| +CoNS | – | 1.9 (48/2526) | 1.4 (40/2814) |
−CoNS, excluding CoNS; +CoNS including CoNS.
CoNS, coagulase negative Staphylococci.