Table 1

Demographic data of patients who received venoarterial extracorporeal membrane oxygenation

Demographic dataPatient age
OverallYoung (≤18 years)Adult (19–59 years)Elderly (≥60 years)P value
(n=29 231)(n=948)(n=9195)(n=19 088)
Sex, n (%)<0.001
 Male20 860 (71)520 (55)6955 (76)13 385 (70)
 Female8371 (29)428 (45)2240 (24)5703 (30)
Body mass index (kg/m2), n (%)<0.001
 Underweight (<18.5)2585 (11)625 (78)566 (8.0)1394 (9.1)
 Normal weight (18.5–24.9)13 127 (57)143 (18)3496 (50)9488 (62)
 Overweight (≥25)7413 (32)29 (3.6)2974 (42)4410 (29)
Comorbid conditions at admission, n (%)
 Diabetes mellitus4904 (17)8 (0.8)1198 (13)3698 (19)<0.001
 Hypertension5858 (20)20 (2.1)1337 (15)4501 (24)<0.001
 Chronic lung disease566 (1.9)18 (1.9)116 (1.3)432 (2.3)<0.001
 Cerebrovascular disease1145 (3.9)11 (1.2)262 (2.8)872 (4.6)<0.001
 Cardiac disease18 300 (63)159 (17)3432 (37)5472 (29)<0.001
 Atherosclerotic disease6649 (23)24 (2.5)1639 (18)4986 (26)<0.001
 At least one comorbidity21 571 (74)477 (50)6465 (70)14 629 (77)<0.001
Episode of arrest at admission, n (%)4150 (14)75 (7.9)1612 (18)2463 (13)<0.001
Use of anticoagulants, n (%)19 617 (67)424 (45)6824 (74)12 369 (65)<0.001
Charlson Comorbidity Index update category, n (%)<0.001
 ≤227 476 (94)931 (98)8776 (95)17 769 (93)
 ≥31755 (6.0)17 (1.8)419 (4.6)1319 (6.9)
Consciousness on admission, n (%)<0.001
 Alert13 624 (47)596 (63)3406 (37)9622 (50)
 Disturbance15 607 (53)352 (37)5789 (63)9466 (50)
Ambulance use, n (%)20 141 (69)425 (45)7021 (76)12 695 (67)<0.001
Hospital volume (per year), n (%)<0.001
 Low (0.75–17.4)10 146 (35)214 (23)3105 (34)6827 (36)
 Medium (17.5–41.4)9884 (34)389 (41)3081 (34)6414 (34)
 High (≥41.5)9201 (31)345 (36)3009 (33)5847 (31)