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Table 1 Estimation of Shanghai’s disease burden of syphilis associated APOs during 2001–2015

From: Effects on preventing mother-to-child transmission of syphilis and associated adverse pregnant outcomes: a longitudinal study from 2001 to 2015 in Shanghai, China

Year EFL/Stillbirth Neonatal death Prematurity/LBW Congenital Syphilis Total APOs
Resident Non-resident Resident Non-resident Resident Non-resident Resident Non-resident Resident Non-resident
2001 9 14 4 6 3 5 5 9 22(38.6%) 35(61.4%)
2002 8 21 3 9 3 7 4 15 18(25.7%) 52(74.3%)
2003 5 12 2 5 2 4 2 7 11(27.5%) 29(72.5%)
2004 8 15 4 7 3 6 4 8 18(33.3%) 36(66.7%)
2005 8 23 4 10 3 9 4 13 19(25.7%) 55(74.3%)
2006 7 25 3 11 3 10 3 14 17(21.8%) 61(78.2%)
2007 13 42 6 19 5 17 6 22 30(23.1%) 100(76.9%)
2008 8 38 3 17 3 15 3 18 18(16.8%) 89(83.2%)
2009 7 28 3 12 3 11 3 14 17(20.5%) 66(79.5%)
2010 9 23 4 11 4 10 5 11 22(28.6%) 55(71.4%)
2011 9 32 4 14 4 11 5 19 21(21.4%) 77(78.6%)
2012 7 36 3 16 3 13 2 22 16(15.5%) 87(84.5%)
2013 6 33 3 15 3 12 1 18 14(15.2%) 78(84.8%)
2014 7 24 3 11 3 10 2 12 16(22.2%) 56(77.8%)
2015 5 21 2 9 2 8 2 10 11(18.3%) 49(81.7%)
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