Table 3 Studies summary
From: Systematic review of factors influencing length of stay in ICU after adult cardiac surgery
RN | First author and year | Country | Number of hospitals | Total patients | Cardiac surgery type | LOS definition | Objective type |
|---|---|---|---|---|---|---|---|
1 | Wang, 2012 [34] | China | 1 | 3925 | Valve surgery | Prolonged > 7 days | Prediction model |
2 | Atoui, 2008 [29] | Canada | 1 | 426 | CABG, valve, and combined surgery | Prolonged ≥ 2 days | General description of predictors |
3 | Abrahamyan 2006 [5] | Armenia | 1 | 391 | Isolated CABG | Prolonged ≥ 3 days | General description of predictors |
4 | Augoustides 2006 [22] | USA | 1 | 144 | Thoracic Aortic surgery | Prolonged > 5 days | General description of predictors |
5 | Ghotkar 2006 [20] | UK |  | 5186 | Isolated CABG | Prolonged > 3 days | Prediction model |
6 | Hein 2006 [26] | Germany | 1 | 2683 | CABG, combined, and other | Prolonged > 3 days | General description of predictors |
7 | Rosenfeld 2006 [23] | USA | 1 | 9869 | Isolated CABG | Prolonged ≥ 7 days | General description of predictors |
8 | Horer 2008 [9] | Germany | 1 | 281 | Atrial septal defect closure | Prolonged > 2 days | General description of predictors |
9 | Lei 2009 [25] | China | 1 | 298 | Aortic arch surgery | Prolonged > 5 days | General description of predictors |
10 | Widyastuti 2012 [24] | Norway | 1 | 4994 | CABG, Valve, Combined, and other | Prolonged > 2, 5, 7 days | General description of predictors |
11 | Wagener 2011 [21] | USA | 1 | 1201 | CABG, valve, Combined, and other | ICU LOS < 2 days ICU LOS > 7 days | Prediction model |
12 | Tribuddharat 2014 [28] | Thailand | 1 | 168 | CABG, Valve, and combined | ICU LOS < 42 h | Prediction model |
13 | Scott 2005 [11] | USA | 1 | 1746 | CABG | Continuous | General description of predictors |
14 | Scott 2008 [12] | USA | 1 | 1746 | CABG | Continuous | General description of predictors |
15 | Herman, 2009 [36] | Canada | 1 | 3483 | CABG | Prolonged > 3 days | Prediction model |
16 | Graf, 2010 [13] | Germany | 1 | Â | CABG | Continuous | General description of predictors |
17 | Giakoumidakis, 2011 [41] | Greece | 1 | 313 | CABG, valve, and combined | Prolonged ≥ 2 days | General description of predictors |
18 | De Cocker, 2011 [16] | Belgium | 1 | 1566 | CABG, valve, combined, and other | Prolonged > 2, 5, 7 days & continuous | Prediction model |
19 | Cacciatore, 2012 [6] | Italy | 1 | 250 (≥65 years) | CABG, valve, and combined | Prolonged ≥ 3 days | General description of predictors |
20 | Azarfarin, 2014 [7] | Iran | 1 | 280 | CABG, valve, and combined | Prolonged > 4 days | General description of predictors |
21 | Nakasuji, 2005 [8] | Japan | 1 | 100 | CABG | Prolonged > 3 days | General description of predictors |
22 | Eltheni, 2012 [35] | Greece | 1 | 150 | CABG, valve, combined, and other | Prolonged ≥ 2 days | General description of predictors |
23 | Bignami, 2012 [38] | Italy | 1 | 27 | CABG, valve, combined, other | Prolonged > 24 h | General description of predictors |
24 | Stransky, 2011 [14] | Germany | 1 | 506 | CABG, valve, combined, other | Continuous | General description of predictors |
25 | Weis, 2014 [18] | Germany | 1 | 190 | CABG, valve, combined | Prolonged > 3 days | General description of predictors |
26 | Ezeldin, 2013 [15] | Saudi Arabia | 1 | 1033 | CABG, valve | Prolonged > 3 days | General description of predictors |
27 | Oliveira, 2013 [39] | Brazil | 1 | 104 | CABG | Prolonged > 3 days | General description of predictors |
28 | Venrooij, 2011 [40] | Netherlands | 1 | 325 | CABG, valve, combined | Not specified | General description of predictors |
29 | Barili | Italy | 1 | 3861 | CABG, valve, combined, other | Continuous | Prediction model |