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. 2015 Dec 1;19:142. doi: 10.1186/s13054-015-0875-z

Table 6.

PRESERVE groups for all patients and according to the type of cannulation, either veno-venous or veno-arterial ECMO

PRESERVE group Veno-venous and veno-arterial ECMO Veno-venous ECMO Veno-arterial ECMO
All patients (n = 51) Status 6 months post-ICU Pvalue All patients (n = 36) Status 6 months post-ICU Pvalue All patients (n = 15) Status 6 months post-ICU Pvalue
Alive (n = 28) Dead (n = 23) Alive (n = 22) Dead (n = 14) Alive (n = 6) Dead (n = 9)
0.03 0.01 0.53
1 17 (33) 11 (21) 6 (12) 9 (25) 7 (32) 2 (14) 8 (53) 4 (67) 4 (44)
2 13 (26) 10 (20) 3 (6) 11 (31) 9 (41) 2 (14) 2 (13) 1 (17) 1 (11)
3 16 (31) 6 (12) 10 (20) 12 (33) 6 (27) 6 (43) 4 (27) 0 (0) 4 (44)
4 5 (10) 1 (2) 4 (8) 4 (11) 0 (0) 4 (29) 1 (7) 1 (17) 0 (0)

Data are expressed as n (%). PRESERVE score calculation as described in Table 1. ECMO, extracorporeal membrane oxygenation; PRESERVE, Predicting Death for Severe ARDS on VV-ECMO.