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Table 1 Selected spectrum characteristics of included studies

From: Does pulse pressure variation predict fluid responsiveness in critically ill patients? A systematic review and meta-analysis

Order Authors Year Sample size Setting Admission Diagnosis
1 Michard and colleagues [23] 2000 40 ICU Medical Sepsis/septic shock
2 Kramer and colleagues [24] 2004 21 SICU Surgical Cardiac surgery
3 Feissel and colleagues [25] 2005 20a ICU Medical Sepsis/septic shock
4 Charron and colleagues [26] 2006 21 ICU NA NA
5 Monnet and colleagues [27] 2006 30 MICU Medical Shock
6 Feissel and colleagues [28] 2007 23b MICU Medical Sepsis/septic shock
7 Wyffels and colleagues [29] 2007 32 ICU Surgical Cardiac surgery
8 Auler and colleagues [30] 2008 59 SICU Surgical Cardiac surgery
9 Monge Garcia and colleagues [31] 2009 38 ICU NA Shock
10 Vistisen and colleagues [32] 2009 23 SICU Surgical Cardiac surgery
11 Loupec and colleagues [33] 2011 40 SICU Surgical and medical Surgery and septic shock
12 Biais and colleagues [34] 2012 35 SICU Surgical and medical Vascular surgery, trauma, septic shock
13 Cecconi and colleagues [35] 2012 31 ICU Surgical High-risk surgery
14 Fellahi and colleagues [36] 2012 25 SICU Surgical Cardiac surgery
15 Khwannimit and colleagues [37] 2012 42 MICU Medical Sepsis/septic shock
16 Monnet and colleagues [38] 2012 26 MICU Medical Shock
17 Monnet and colleagues [39] 2012 39 MICU Medical Shock
18 Yazigi and colleagues [40] 2012 60 SICU Surgical Cardiac surgery
19 Fischer and colleagues [41] 2013 37 SICU Surgical Cardiac surgery
20 Fischer and colleagues [42] 2013 80 SICU Surgical Cardiac surgery
21 Ishihara and colleagues [43] 2013 43 ICU Surgical Noncardiac surgery
22 Monnet and colleagues [44] 2013 35 MICU Medical Shock
  1. MICU, medical intensive care unit; NA, not available; SICU, surgical intensive care unit. aTwenty-two fluid challenges included. bTwenty-eight fluid challenges included.