Table 1. Major international neonatal networks.
| Name | Country | Year | Participating units | Registry inclusion at birth |
|---|---|---|---|---|
| NICHD Neonatal Research Network14) | United States | 1986~ | 21 tertiary care center | - <29 w or 401-1,000 g |
| - Follow-up for <27 w | ||||
| Vermont Oxford Neonatal Network (VON)15) | United States, Asia, Europe, Africa | 1988~ | 900 units | - 401-1,500 g or 22 w-29 w |
| - Others | ||||
| Australian and New Zealand Neonatal Network (ANZNN)16) | Australia, New Zealand | 1994~ | 29 level 3 units | - < 32 w or < 1,500 g or received assisted ventilation ≥ 4 hr, or major or therapeutic hypothermia |
| 26 level 2 units | ||||
| Canadian Neonatal Network (CNN)17) | Canada | 1995~ | 30 units from | - Total admitted |
| 17 universities | - <33 w or <1,500 g, HIE | |||
| Neonatal Research Network Japan (NRNJ)18) | Japan | 2003~ | 171 units | - <1,500g |
| - Hypothermia registry | ||||
| - Clinical trials | ||||
| National Neonatal Audit Programme (NNAP)19) | England | 2006~ | 179 units | - Various audit questions for < 32 w or < 1,501 g, or others |
| EuroNeoNet20) | 16 countries in Europe | 2006~ | 60 NICUs | - < 1,501 g or < 32 w |
| Korean Neonatal Network (KNN)23) | The Republic of Korea | 2013~ | 60 NICUs | - < 1,500 g |
gNICHD, National Institute of Child Health and Human Development; HIE, hypoxic-ischemic encephalopathy.