Table 2.
Baseline patient characteristics before and after propensity score matching
| Variable | Unmatched groups | Matched groups | ||||
|---|---|---|---|---|---|---|
| PMX (n = 2191) |
Control (n = 41,986) | ASD (%) | PMX (n = 2033) |
Control (n = 2033) |
ASD (%) | |
| Age | ||||||
| ≦ 50 | 167 (7.6) | 2477 (5.9) | 5.7 | 159 (7.8) | 144 (7.1) | 2.3 |
| 51–70 | 640 (29.2) | 9,048 (21.6) | 14.7 | 593 (29.2) | 674 (33.2) | 7.0 |
| > 70 | 1384 (63.1) | 30,461 (16.8) | 16.8 | 1281 (63.0) | 1215 (59.8) | 5.4 |
| Sex (male) | 1282 (58.5) | 22,234 (9.1) | 9.1 | 1183 (58.2) | 1231 (60.6) | 3.9 |
| Emergency admission | 1963 (89.6) | 40,447 (23.5) | 23.5 | 1835 (90.3) | 1839 (90.5) | 0.5 |
| CCI | ||||||
| 0 | 529 (24.1) | 9,798 (23.3) | 1.6 | 492 (24.2) | 488 (24.0) | 0.4 |
| 1 | 457 (20.9) | 10,388 (24.7) | 7.5 | 420 (20.7) | 421 (20.7) | 0.1 |
| 2 | 498 (22.7) | 9,383 (22.3) | 0.7 | 460 (22.6) | 441 (21.7) | 1.8 |
| ≧ 3 | 707 (32.3) | 12,417 (29.6) | 4.8 | 661 (32.5) | 683 (33.6) | 1.9 |
| University hospital | 490 (22.4) | 4383 (10.4) | 28.1 | 449 (22.1) | 496 (24.4) | 4.4 |
| Max noradrenaline | ||||||
| < 5 | 483 (22.0) | 30,812 (73.4) | 96.8 | 476 (23.4) | 416 (20.5) | 5.9 |
| 5–9.9 | 402 (18.3) | 4292 (10.2) | 19.9 | 372 (18.3) | 384 (18.9) | 1.2 |
| 10–15.9 | 577 (26.3) | 3691 (8.8) | 41.7 | 528 (26.0) | 560 (27.5) | 2.9 |
| ≧16 | 729 (33.3) | 3191 (7.6) | 60.3 | 657 (32.3) | 673 (33.1) | 1.4 |
| CHDF | 1440 (65.7) | 2715 ( 6.5) | 142.4 | 1284 (63.2) | 1297 (63.8) | 1.1 |
| HD | 94 (4.3) | 1119 (2.7) | 7.5 | 90 (4.4) | 118 (5.8) | 5.0 |
| Mechanical ventilation | 1471 (67.1) | 5430 (12.9) | 114.8 | 1326 (65.2) | 1352 (66.5) | 2.2 |
| Surgery | 1200 (54.8) | 3912 (9.3) | 99.6 | 1048 (51.5) | 1024 (50.4) | 1.9 |
| ER/ICU admission | 1596 (72.8) | 12,260 (29.2) | 78.9 | 1469 (72.3) | 1573 (77.4) | 9.7 |
| γ-Globulin | 718 (32.8) | 2417 (5.8) | 66.6 | 620 (30.5) | 593 (29.2) | 2.4 |
| rTM | 1091 (49.8) | 2353 (5.6) | 104.8 | 946 (46.5) | 901 (44.3) | 3.6 |
| AT III | 538 (24.6) | 1078 (2.6) | 64.1 | 455 (22.4) | 433 (21.3) | 2.1 |
| Steroid | 1023 (46.7) | 6847 (16.3) | 59.5 | 941 (46.3) | 996 (49.0) | 4.4 |
| RBC transfusion | 881 (40.2) | 3301 (7.9) | 73.7 | 785 (38.6) | 774 (38.1) | 0.9 |
| Platelet transfusion | 424 (19.4) | 1336 (3.2) | 49.0 | 380 (18.7) | 387 (19.0) | 0.7 |
CCI Charlson Comorbidity Index, CHDF continuous hemodiafiltration, HD hemodialysis, ER emergency room, ICU intensive care unit, rTM recombinant thrombomodulin, AT antithrombin, RBC red blood cell