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Table 2 Weighted and unweighted scores measuring system alignment against expert-identified characteristics

From: Classification systems for causes of stillbirth and neonatal death, 2009–2014: an assessment of alignment with characteristics for an effective global system

  Score using all variables Score using “strong” variables only
Unweighted Weighted Unweighted Weighted
Maximum possible score 17 15.64 12 11.00
Froen 2009-Codac [9] 9 7.94 8 7.14
Korteweg 2006-Tulip [10] 7 6.20 6 5.40
Black 2010-CHERG [11] 6 5.50 3 2.82
Cole 1986 [12] 6 5.48 5 4.52
Flenady 2009-PSANZ-PDC [13] 6 5.50 5 4.54
Kotecha 2014-Wales [14] 6 5.42 4 3.70
Ujwala 2012 [15] 6 5.18 5 4.38
Chan 2004-PSANZ-NDC [23] 5 4.46 4 3.66
Kidanto 2009 [24] 5 4.38 5 4.38
Lawn 2006-CHERG [25] 5 4.72 4 3.82
Manning 2013-maternal & fetal-Ireland [26] 5 4.52 4 3.60
Pattinson 1989 [27] 5 4.58 4 3.78
Schmiegelow 2012 [28] 5 4.42 5 4.42
Varli 2008-Stockholm [29] 5 4.58 4 3.78
Wigglesworth 1980 [30] 5 4.46 3 2.70
Abdellatif 2013 [31] 4 3.34 3 2.54
CMACE 2010-maternal & fetal [32] 4 3.60 4 3.60
CMACE 2010-neonatal [32] 4 3.46 3 2.66
de Galan-Roosen 2002 [16] 4 3.48 4 3.48
Engmann 2012 [33] 4 3.46 3 2.66
Flenady 2009-PSANZ-NDC [13] 4 3.58 3 2.78
Gardosi 2014-MAINa 4 3.52 4 3.52
Gordijn 2009 [18] 4 3.68 4 3.68
Khanum 2009 [34] 4 3.42 3 2.62
Kidron 2009 [35] 4 3.78 4 3.78
McClure 2015 [42]b 4 3.74 5 4.60
Mo-Suwan 2009 [36] 4 3.52 4 3.52
MRC 2002-PPIP-South Africa [37] 4 3.52 3 2.72
National Services Scotland 2013-neonatal [38] 4 3.40 2 1.68
NIPORT 2005-Bangladesh [39] 4 3.70 2 1.98
Shah 2011 [40] 4 3.60 4 3.66
Van Diem 2010 [41] 4 3.46 3 2.66
VanderWielen 2011-WiSSP [42] 4 3.60 4 3.60
Wood 2012 [43] 4 3.44 4 3.44
Basys 2014-Lithuania [44] 3 2.58 3 2.58
Chan 2004-PSANZ-PDC [23] 3 2.84 3 2.84
CMACE 2011-maternal & fetal [45] 3 2.62 3 2.62
Cole 1989-ICE [46] 3 2.84 3 2.84
De Reu 2009-Tulip mod. [47] 3 2.52 2 1.72
Froen 2009-simplified Codac [9] 3 2.54 3 2.54
Gardosi 2005-ReCoDe [48] 3 2.76 2 1.80
Glinianaia 2010 [49] 3 2.52 2 1.72
Hey 1986 [50] 3 2.84 4 3.70
Hinderaker 2003 [51] 3 2.52 2 1.72
Manandhar 2010 [52] 3 2.70 4 3.56
National Services Scotland 2013-obstetric [38] 3 2.64 2 1.72
Nausheen 2013 [53] 3 2.88 4 3.74
Nga 2012 [54] 3 2.60 3 2.66
SCRN WG 2011 [55] 3 2.70 3 2.70
Simpson 2010 [56] 3 2.48 2 1.68
Abha 2011 [57] 2 1.68 2 1.68
Aggarwal 2011 [58] 2 1.78 1 0.98
Aggarwal 2013 [59] 2 1.74 1 0.94
Black-2010-CHERGc [11] 2 1.68 2 1.68
De Reu 2009-Cole mod. [47] 2 1.66 2 1.72
De Reu 2009-Wigglesworth mod. [47] 2 1.66 2 1.72
Dias e Silva 2013 [60] 2 1.68 2 1.68
Dudley 2010-INCODE [61] 2 1.80 3 2.72
Hey 1986-short form [50] 2 1.66 2 1.72
Khanal 2011 [62] 2 1.66 1 0.86
Lawn 2009-consistent classification for causes of stillbirth [63] 2 1.88 2 1.88
Lawn 2010 [36] 2 1.82 1 0.86
Lawn 2012 [64] 2 1.82 1 0.86
National Services Scotland 2013-FIGO [38] 2 1.72 2 1.72
Olamijulo 2011 [65] 2 1.72 2 1.72
Seaton 2012 [66] 2 1.66 1 0.86
Serena 2013-Wigglesworth mod. [67] 2 1.66 1 0.86
Winbo 1998-NICE [68] 2 1.66 2 1.72
Winter 2013-Rwanda [69] 2 1.66 1 0.86
Cunninghamd 1997 [70] 1 0.82 1 0.82
Freitas 2012 [71] 1 0.86 1 0.86
Gupta 2012-Bhutan [72] 1 0.80 0 0.00
Hama Diallo 2012 [73] 1 0.82 1 0.82
Jehan 2009e [74] 1 0.80 0 0.00
Kruse 2014 [75] 1 0.80 1 0.86
Nabeel 2012 [76] 1 0.82 2 1.68
Public Health Agency of Canada 2008 [77] 1 0.86 1 0.86
Rocha 2011 78 1 0.82 1 0.82
Smith 2010 [79] 1 0.80 1 0.86
Serena 2013-ReCoDe mod. [67] 0 0.00 0 0.00
Wou 2014 [80] 0 0.00 0 0.00
  1. aPersonal communications, O. Tuncalp to V. Flenady, 7/21/2014 and 7/23/2014
  2. bSystem was included via expert referral in 2014 and this paper was selected as the citation after its publication in 2015
  3. cTwo modifications of CHERG in Black 2010; this is found in his Webappendix 2
  4. dSystem is described in the reference given, but originates from [81]
  5. ePubMed citation is for Imtiaz; we use the family name Jehan to refer to this system