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Table 1 Neonatal mortality rate (95 % confidence interval) per 1000 births according to year of birth and gestational age, São Paulo State, Brazil

From: Annual trend of neonatal mortality and its underlying causes: population-based study – São Paulo State, Brazil, 2004–2013

Birth Year Total 22-27wk 28-31wk 32-36wk 37-41wk ≥ 42wk
2004 9.1 (8.9–9.3) 621 (601–640) 218 (206–230) 28.1 (26.5–29.9) 2.9 (2.7-3.0) 4.2 (2.4–6.9)
2005 8.4 (8.2–8.6) 610 (591–628) 201 (189–212) 24.4 (22.9–26.0) 2.5 (2.3–2.6) 4.7 (2.8–7.3)
2006 8.6 (8.4–8.9) 601 (581–621) 204 (192–216) 25.1 (23.5–26.7) 2.7 (2.5–2.8) 3.6 (1.8–6.4)
2007 7.8 (7.6-8.0) 534 (513–554) 173 (162–184) 22.5 (21.1–24.1) 2.6 (2.4–2.7) 5.7 (3.1–9.6)
2008 8.2 (7.9–8.4) 605 (585–625) 180 (169–192) 22.0 (20.6–23.6) 2.5 (2.4–2.7) 7.6 (4.4–12.1)
2009 8.3 (8.1–8.5) 584 (565–601) 180 (170–191) 22.5 (21.2–24.0) 2.5 (2.4–2.7) 6.2 (3.4–10.3)
2010 7.7 (7.5–7.9) 579 (560–598) 170 (159–180) 20.3 (19.1–21.8) 2.3 (2.2–2.4) 6.1 (3.2–10.4)
2011 6.8 (6.6-7.0) 508 (489–527) 142 (133–151) 17.8 (16.7–19.1) 2.0 (1.9–2.2) 1.8 (0.9–3.3)
2012 7.5 (7.2–7.7) 584 (566–602) 134 (126–143) 16.1 (15.1–17.2) 2.0 (1.9–2.1) 2.3 (1.5–3.3)
2013 7.4 (7.2–7.7) 517 (500–534) 128 (120–136) 13.4 (12.6–14.3) 2.0 (1.9–2.1) 2.3 (1.5–3.5)