Table 3 Baseline characteristics of all patients with prior CPR according to annualized hospital volume of VA-ECMO procedures
From: Procedural volume and outcomes in patients undergoing VA-ECMO support
Baseline characteristics | |||||
|---|---|---|---|---|---|
Overall (n = 4429) | ≤ 50 procedures/Yr (n = 2637) | > 50–100 procedures/Yr (n = 1104) | > 100 procedures/Yr (n = 688) | P value | |
Demographics,n(%) | |||||
Mean age, Yr | 61 ± 20 | 61 ± 23 | 61 ± 14 | 61 ± 14 | 0.173 |
Male gender | 3189 (72.0) | 1915 (72.6) | 801 (72.6) | 473 (68.8) | 0.118 |
Baseline comorbidities,n(%) | |||||
AF | 1510 (34.1) | 815 (30.9) | 399 (36.1) | 296 (43.0) | < 0.001 |
CAD | 3102 (70.0) | 1875 (71.1) | 766 (69.4) | 461 (67.0) | 0.097 |
CHF | 2780 (62.8) | 1629 (61.8) | 670 (60.7) | 481 (69.9) | < 0.001 |
CKD | 974 (22.0) | 607 (23.0) | 238 (21.6) | 129 (18.8) | 0.051 |
COLD | 187 (4.2) | 106 (4.0) | 50 (4.5) | 31 (4.5) | 0.004 |
PH | 574 (13.0) | 292 (11.1) | 154 (13.9) | 128 (18.6) | < 0.001 |
HTN | 2032 (45.9) | 1172 (44.4) | 534 (48.4) | 326 (47.4) | 0.062 |
HLD | 1016 (22.9) | 582 (22.1) | 264 (23.9) | 170 (24.7) | 0.230 |
Diabetes | 1115 (25.2) | 664 (25.2) | 276 (25.0) | 175 (25.4) | 0.979 |
Cancer | 130 (2.9) | 80 (3.0) | 37 (3.4) | 13 (1.9) | 0.183 |
Liver disease | 187 (4.2) | 106 (4.0) | 50 (4.5) | 31 (4.5) | 0.719 |
Mean VA-ECMO duration in h (mdn) | 98 (72) | 85 (24) | 111 (72) | 128 (72) | < 0.001 |
Indication category for VA-ECMO support,n(%) | |||||
HTX | 39 (0.9) | 6 (0.2) | 13 (1.2) | 20 (2.9) | < 0.001 |
ACS | 2935 (66.3) | 1797 (68.1) | 717 (64.9) | 421 (61.2) | < 0.001 |
AHF | 1455 (32.9) | 834 (31.6) | 374 (33.9) | 247 (35.9) | < 0.001 |