id,title,start,end,country,site,data,diagnosis,livebirth,vaginal,single,term,lowrisk,Quality ,Chorioamnionitis,denominator,perc,data,meta,data,
21696509,Al-Ostad (2015),01/01/1998,31/12/2008,us,1,1,1,0,0,0,0,0,5,92622,5338995,1.734820879,NIS,sample,1,routine
21707342,Berg (2009),01/01/2001,01/12/2005,us,1,1,1,0,0,0,0,0,4,299790,19986000,1.5,NHDS,?drop,2,study
21707342,Berg (2009),01/01/1993,01/12/1997,us,1,1,1,0,0,0,0,0,4,362539,19081000,1.9,NHDS,take 1%,3,Unclear
21676721,Cavazos-Rehg (2015),01/01/2009,01/12/2009,us,1,1,1,0,0,0,0,0,5,68449,4109295,1.665711515,NIS,drop,,
21677036,Danilack (2015),01/01/2011,01/12/2013,us,1,1,4,1,0,0,0,0,2,134413,10458616,1.285189168,,,diagnosis,
21687680,Dotters-Katz (2015),01/01/2008,01/12/2010,us,1,1,1,0,0,0,0,0,5,323476,12524118,2.582824595,NIS,take 20%,1,ICD9/10
21698230,Malloy (2014),01/01/2008,01/12/2008,us,1,1,1,1,0,1,1,0,4,22011,2224406,0.989522596,birth cert,?drop,2,fever+
21712606,Bear (2016),01/01/1991,01/12/2001,us,2,1,1,1,0,0,0,0,4,110747,6018504,1.840108439,california,,3,fever 
21695327,Braun (2015),01/01/2010,01/12/2010,us,3,1,1,1,0,0,1,0,5,1243,31112,3.995242993,KPMP,,4,Unclear
21685749,Caughey (2007),01/01/1995,01/12/1999,us,3,1,1,0,0,1,1,1,5,4166,119254,3.49338387,KPMP,,,
21801600,Fassett (2013),01/01/1995,01/12/2010,us,3,1,1,0,0,1,0,0,4,19428,471821,4.117663266,KPMP,,,
21683144,Getahun (2010),01/01/1991,01/12/2007,us,3,1,1,1,0,1,0,0,3,12713,397852,3.195409348,KPMP,,,
21681445,Matsuda (2011),01/01/2001,01/12/2005,japan,3,1,2,0,0,1,0,0,4,2508,242715,1.033310673,,,retrospective chart review but gives diagnostic criteria,
21680346,Admaty (2012),01/03/2009,01/12/2010,switzerland,4,2,2,1,0,0,1,0,2,1,143,0.699300699,,,,
21676129,Shah (2011),01/09/2008,01/11/2008,Pakistan,4,1,4,0,0,1,0,1,2,7,916,0.76419214,,,,
21677762,Abramovici (2014),01/11/2008,01/06/2010,us,5,1,2,1,1,1,0,1,4,121,1785,6.778711485,,,,
21680060,Bleich (2012),01/01/2003,01/12/2008,us,5,1,4,1,0,1,0,0,4,4323,21991,19.65804193,,,,
21680618,Borders (2012),01/01/2009,01/02/2009,us,5,1,4,0,1,1,1,0,3,13,205,6.341463415,,,diagnosed by intrapartum fever,
21685501,Cheng (2007),01/01/1991,01/12/2002,us,5,1,4,1,0,1,1,0,4,221,5158,4.284606437,,,,
21682517,Cheng (2010),01/01/1990,01/07/2008,us,5,2,2,1,0,1,1,0,5,1339,10661,12.55979739,,,,
21681149,Edwards (2015),01/06/2006,01/11/2007,us,5,2,2,0,0,0,0,0,5,913,15027,6.075730352,,,,
21682615,Geller (2010),01/06/1995,01/06/2005,us,5,2,3,0,0,1,1,1,4,637,4048,15.73616601,,,,
21684729,Grotegut (2008),01/01/2003,01/06/2005,us,5,1,2,0,0,0,0,0,4,1,165,0.606060606,,,,
21680054,King (2012),01/08/1995,01/02/2004,us,5,1,1,1,0,1,1,0,4,1851,14406,12.84881299,,,Unspecified 2 months in 2009 - I have just indicated a 2 month period. All midwifery case-load patients so assume vaginal delivery only,
21676286,Magann (2008),01/03/2004,01/02/2005,us,5,3,4,0,1,1,0,0,4,35,1607,2.177971375,,,,
21677986,Nelson (2014),01/10/2005,01/12/2011,us,5,3,4,1,0,1,1,0,4,5710,86371,6.611015271,,,,
21682130,Osmundson (2011),01/07/2006,01/06/2008,us,5,1,4,0,0,1,1,1,3,20,102,19.60784314,,,,
21676350,Panichkul (2007),01/01/1999,01/12/2003,thailand,5,2,2,1,0,1,1,1,5,10,1079,0.926784059,,,,
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