Table 1 Studies included in the meta-analysis and baseline characteristics
From: Sex differences in survival after out-of-hospital cardiac arrest: a meta-analysis
References | Study location | Period | Total | Female (%) | Age (years) | OHCA at home (%) | Bystander-witnessed (%) | Bystander CPR (%) | Initial shockable rhythm (%) | Sustained ROSC (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | M | F | M | F | M | F | M | F | M | F | M | |||||
Perman et al. [12] | California | 2010–2011 | 6562 | 44.0 | 67.8 | 64.3 | ||||||||||
Okabayashi et al. [22] | Japan | 2013–2015 | 233,511 | 46.9 | ||||||||||||
Jeong et al. [7] | Korea | 2006–2018 | 20,675 | 33.6 | 73.5 | 64.2 | 73.2 | 62.2 | 63 | 64.1 | 48.8 | 48 | 17.1 | 33.5 | 100 | 100 |
Goto et al. [13] | Japan | 2013–2016 | 386,535 | 43.8 | 80.3 | 74.3 | 36.3 | 40.3 | 56.4 | 49.6 | 4.3 | 10.7 | ||||
Blom et al. [15] | Netherlands | 2006–2012 | 5717 | 28.0 | 69.4 | 67.1 | 84.8 | 66.9 | 70.5 | 74.7 | 67.9 | 72.7 | 33.7 | 52.7 | 33.6 | 36.6 |
Matilde et al. [23] | Copenhagen | 2007–2011 | 704 | 25.0 | 71 | 64 | 73.0 | 54.0 | 86.0 | 88.0 | 54.0 | 61.0 | 53.0 | 71.0 | 100 | 100 |
May et al. [24] | Detroit | 2014–2016 | 2359 | 45.1 | ||||||||||||
Masterson et al. [25] | Sweden | 2012–2014 | 15,303 | 33.4 | ||||||||||||
Hansen et al. [26] | North Carolina | 2010–2014 | 8100 | 38.1 | 68 | 64 | 82.4 | 77 | 41.2 | 47.5 | 20.7 | 24.6 | 14.6 | 28.1 | ||
Dicker et al. [11] | New Zealand | 2013–2015 | 3862 | 31.0 | 68 | 65 | 75 | 63 | 49 | 55 | 59 | 64 | 28 | 43 | 29 | 31 |
Oh et al. [27] | Korean | 2007–2012 | 930 | 30.1 | 56.9 | 56.7 | 62.1 | 68.9 | 27.5 | 31.4 | 20 | 33.1 | 100 | 100 | ||
Hagihara et al. [28] | Japan | 2005–2012 | 24,216 | 13.2 | 52.3 | 53.1 | 73.4 | 76.3 | 100 | 100 | 34 | 27.9 | ||||
Bougouin et al. [29] | France | 2000–2013 | 1817 | 28.6 | 62.8 | 59.1 | 57.0 | 37.0 | 84.0 | 88.0 | 45.0 | 48.0 | 42.0 | 61.0 | 100 | 100 |
Ng et al. [30] | Pan-Asian | 2009–2012 | 40,159 | 40.0 | 82 | 72 | 32.0 | 32.5 | 38.0 | 44.6 | 41.2 | 36.6 | 6.7 | 17.7 | 6.1 | 10 |
Morrison et al. [31] | Canada and Amercia | 2000–2006 | 14,690 | 36.4 | 73 | 66 | 92 | 79.4 | 34.3 | 41.8 | 29.6 | 31.0 | 16.6 | 30.0 | 28.1 | 28.2 |
Bosson et al. [32] | Los Angeles | 2011–2014 | 5174 | 40.5 | 71 | 66 | 81.0 | 83.0 | 39.0 | 41.0 | 22.0 | 35.0 | ||||
Karlsson et al. [33] | Europe and the USA | 2006–2012 | 1667 | 28.0 | 62 | 63 | 80.0 | 83.0 | 58.0 | 64.0 | 52.0 | 69.0 | 100 | 100 | ||
Wissenberg et al. [34] | Danish | 2001–2010 | 19,372 | 32.6 | 75 | 70 | 81.3 | 70.6 | 49.1 | 53.4 | 25.9 | 32.9 | 17.2 | 32.6 | ||
Safda et al. [35] | Ontario | 1994–2002 | 11,479 | 32.5 | 74 | 69 | 42.8 | 48.7 | 12.1 | 16.9 | 24.4 | 41.6 | 11.8 | 11.1 | ||
Johnson et al. [36] | America | 2005–2009 | 19,398 | 39.5 | 69 | 63 | 92.8 | 83.5 | 44.8 | 49.9 | 33.3 | 33.7 | 16.5 | 28.5 | 34.9 | 32.3 |
Bray et al. [37] | Australian | 2003–2010 | 10,453 | 30.0 | 74 | 69 | 76.0 | 68.0 | 57.0 | 63.0 | 48.0 | 52.0 | 26.0 | 45.0 | ||
Teodorescu et al. [38] | America | 2002–2007 | 1296 | 33.0 | 68 | 63 | 69.0 | 61.0 | 66.0 | 68.0 | 24.0 | 28.0 | 38.0 | 55.0 | 41.3 | 33.0 |
Ahn et al. [39] | Korea | 2007–2008 | 13,922 | 37.0 | 72.4 | 63.7 | 82.8 | 71.8 | 45 | 46.9 | 3.4 | 5.4 | ||||
Akahane et al. [40] | Japan | 2005–2007 | 318,123 | 37.8 | 72.7 | 67.9 | 36.9 | 42.1 | 38.3 | 32.8 | 4.7 | 10.1 | ||||
Adielsson et al. [41] | Sweden | 1990–2009 | 7187 | 19.0 | 71 | 69 | 60.0 | 53.0 | 51.0 | 56.0 | 100 | 100 | 100 | 100 | ||
Kitamura et al. [16] | Japan | 1998–2007 | 26,940 | 41.5 | 78.7 | 72.0 | 75.0 | 70.0 | 34.0 | 41.0 | 28.0 | 34.0 | 6.0 | 13.0 | ||
Arrich et al. [42] | Austria | 1991–2004 | 801 | 25.6 | 62 | 60 | 100 | 100 | 29.0 | 37.0 | 64.0 | 78.0 | ||||
Mahapatra et al. [43] | Olmstead | 1990–2000 | 200 | 18.5 | 65 | 64 | 86.0 | 82.0 | 46.0 | 57.0 | 100 | 100 | ||||
Cline et al. [44] | America | 1997–1999 | 388 | 35.6 | 69.3 | 64 | 75.0 | 75.0 | 44.0 | 58.0 | 51.0 | 52.0 | 33.0 | 54.0 | 23.9 | 24.8 |
Herlitz et al. [45] | Swedish | 1990–2000 | 23,797 | 27.9 | 69 | 67 | 72.0 | 63.0 | 62.0 | 64.0 | 32.0 | 37.0 | 24.0 | 36.0 | ||
Kim et al. [46] | America | 1990–1998 | 10,879 | 35.0 | 71 | 66 | 75.0 | 70.0 | 48.0 | 54.0 | 45.0 | 47.0 | 25.0 | 43.0 | ||
Pell et al. [47] | Scotland | 1988–1997 | 22,161 | 30.0 | 69 | 65 | 67.0 | 55.0 | 58.0 | 63.0 | 49.0 | 59.0 | ||||
Perers et al. [48] | Go¨ teborg | 1980–1996 | 4401 | 28.0 | 73 | 69 | 70.0 | 73.0 | 11.0 | 15.0 | 28.0 | 44.0 | ||||