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Table 2 Summary of the information utilized to perform the meta-analysis

From: Extra-corporeal membrane oxygenation for refractory cardiogenic shock after adult cardiac surgery: a systematic review and meta-analysis

Study ID Author Country Year Average age (yrs) Preoperative IABP usage (no. pts) Renal Failure (no. pts) Mean ECMO support (days) Diabetes mellitus (no. pts) Survivors Patient no.
1 Khorsandi UK 2015 71 15 2 5.5 0 5 15
2 Doll Germany 2004 61.3 144 122 NA 68 52 219
3 Khorsandi UK 2016 51 23 7 5.5 NA 8 23
4 Rastan Germany 2010 63.5 383 81 4.6 168 127 516
5 Slottosch Germany 2013 60 72 26 3.3 18 23 77
6 Hsu Taiwan 2010 63 51 16 7.5 19 26 51
7 Ko Taiwan 2002 56.8 44 28 NA NA 20 76
8 Muehrcke USA 1996 47.3 17 12 2.5 NA 7 22
9 Santarpino Europe 2015 64.6 16 7 4.5 25 8 20
10 Saeed Germany 2015 65 9 8 8.5 NA 2 9
11 Sajjad UK 2012 55.6 19 NA 4 NA 1 19
12 Mikus Italy 2013 53.1 14 7 5 4 6 14
13 Unosawa Japan 2013 64.4 39 15 2.6 9 14 47
14 Pokersnik USA 2012 65 29 16 4 19 15 49
15 Moreno Spain 2011 56.8 12 4 5.4 5 6 12
16 Wu Taiwan 2010 60 110 46 6 NA 46 110
17 Elsharkawy USA 2010 53.5 22 101 NA 50 84 233
18 Bakhtiary Germany 2008 60.1 30 39 6.4 38 13 45
19 Doll Germany 2003 59.8 95 64 2.8 NA 28 95
20 Wang Taiwan 1996 46.5 9 3 5.1 NA 6 18
21 Magovern USA 1994 61.6 21 4 1.8 4 11 21
22 Saxena USA 2015 76.8 45 30 4.2 17 11 45
23 Li China 2015 56.2 73 29 4.4 NA 42 123
24 Yan China 2010 50.5 18 30 3.1 NA 33 67
  1. Abbreviations: NA not available, pts patients, IABP intra-aortic balloon pump, ECMO extra-corporeal membrane oxygenation, no. numbers, yrs. years
  2. **R Core Team (2013). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL http://www.R-project.org/