Gestation (weeks) | ||||
---|---|---|---|---|
Birth year | 22 Median (range) | 23 Median (range) | 24 Median (range) | 25 Median (range) |
1991–1995 | 1.0 (1, 17) | 2.0 (1, 144) | 2.0 (1, 197) | 3.0 (1, 132) |
1996–2000 | 3.0 (1, 11) | 3.0 (1, 21) | 2.5 (1, 186) | 3.0 (1, 157) |
2001–2005 | 1.0 (1, 2) | 3.0 (1, 84) | 5.5 (1, 110) | 7.5 (1, 165) |
2006–2010 | 79.0* | 8.0 (1, 194) | 7.0 (1, 162) | 9 (1, 153) |
p Value | 0.33 | <0.001 | <0.001 | <0.001 |
↵* This length of stay is calculated from one baby and should not be over interpreted.