Table 1 Predictors for all cases, by each class, and univariate class comparisons
Predictors (n = 39) | All cases (n = 51,943) | Survivors (n = 46,233) | Non-survivors (n = 5710) | Survivors vs. Non-survivors (P) |
|---|---|---|---|---|
Age (yrs) | 68.8 ± 12.3 | 67.5 ± 11.9 | 79.3 ± 9.8 | < 0.0001 |
Male sex | 33,620 (64.7) | 30,523 (66.0) | 3097 (54.2) | < 0.0001 |
Weight (kg) | 79.1 ± 15.9 | 72.1 ± 15.6 | 80.0 ± 16.3 | < 0.0001 |
Ambulance to CCU | 31,654 (60.9) | 27,816 (60.2) | 3838 (67.2) | < 0.0001 |
Comorbid conditions | ||||
Smoking | 12,717 (24.5) | 11,740 (25.4) | 977 (17.1) | < 0.0001 |
Diabetes | 8552 (16.5) | 7046 (15.2) | 1506 (26.4) | < 0.0001 |
Hypertension | 23,432 (45.1) | 20,386 (44.1) | 3046 (53.3) | < 0.0001 |
Previous stroke | 3623 (7.0) | 2759 (6.0) | 864 (15.1) | < 0.0001 |
Admission medication | ||||
ACE inhibitors | 8409 (16.2) | 7096 (15.3) | 1313 (23.0) | < 0.0001 |
A2 blockers | 5893 (11.3) | 5164 (11.2) | 729 (12.8) | 0.0003 |
Beta blockers | 14,485 (27.9) | 12,084 (26.1) | 2401 (42.0) | < 0.0001 |
Statins | 9904 (19.1) | 8677 (18.8) | 1227 (21.5) | < 0.0001 |
Presenting symptoms | ||||
Chest pain | 44,589 (85.8) | 40,761 (88.2) | 3828 (67.0) | < 0.0001 |
Dyspnea | 3472 (6.7) | 2368 (5.1) | 1104 (19.3) | < 0.0001 |
Other | 3580 (6.9) | 2834 (6.1) | 746 (13.1) | < 0.0001 |
ECG rhythm at CCU | ||||
Sinus | 46,297 (89.1) | 41,983 (90.8) | 4314 (75.6) | < 0.0001 |
Atrial fibrillation | 4469 (8.6) | 3308 (7.2) | 1161 (20.3) | < 0.0001 |
ECG QRS at CCU | ||||
Normal | 35,819 (69.0) | 32,709 (70.7) | 3110 (54.5) | < 0.0001 |
Pathological Q-wave | 5407 (10.4) | 4753 (10.3) | 654 (11.5) | 0.0062 |
Left bundle branch block | 2458 (4.7) | 1877 (4.1) | 581 (10.2) | < 0.0001 |
Other | 5711 (11.0) | 4862 (10.5) | 849 (14.9) | < 0.0001 |
ECG STT at CCU | ||||
Normal | 11,729 (22.6) | 10,805 (23.4) | 924 (16.2) | < 0.0001 |
ST-elevation | 17,641 (34.0) | 16,251 (35.2) | 1390 (24.3) | < 0.0001 |
ST-depression | 11,462 (22.1) | 9690 (21.0) | 1772 (31.0) | < 0.0001 |
Other | 5820 (11.2) | 4726 (10.2) | 1094 (19.2) | < 0.0001 |
Pulmonary rales at CCU | ||||
No | 46,205 (89.0) | 42,081 (91.0) | 4124 (72.2) | < 0.0001 |
Rales | 3880 (7.5) | 2762 (6.0) | 1118 (19.6) | < 0.0001 |
Other measures at CCU | ||||
Troponin (ng) | 1360 (310–6460) | 1350 (280–1587) | 1400 (319–10,000) | 0.1761 |
HR(bpm) | 76 (65–90) | 75 (65–90) | 86 (71–86) | < 0.0001 |
SBP (mm Hg) | 148.9 ± 28.6 | 143.0 ± 28.2 | 150.0 ± 30.7 | < 0.0001 |
Reperfusion at CCU | ||||
No | 34,469 (66.4) | 29,740 (64.3) | 4729 (82.8) | < 0.0001 |
Primary PCI | 14,665 (28.2) | 13,884 (30.0) | 781 (13.7) | < 0.0001 |
Discharge medication | ||||
ACE inhibitors | 31,547 (60.7) | 28,712 (62.1) | 2835 (49.6) | < 0.0001 |
A2 blockers | 6445 (12.4) | 5670 (12.3) | 775 (13.6) | 0.0046 |
Oral anticoagulants | 2993 (5.8) | 2514 (5.4) | 479 (8.4) | < 0.0001 |
Other antiplatelet | 41,741 (80.4) | 38,461 (83.2) | 3280 (57.4) | < 0.0001 |
Beta blockers | 46,623 (89.8) | 41,789 (90.4) | 4834 (84.7) | < 0.0001 |
Statins | 45,366 (87.3) | 41,918 (90.7) | 3448 (60.4) | < 0.0001 |
ECG rhythm at discharge | ||||
Atrial fibrillation | 3703 (7.1) | 2645 (5.7) | 1058 (18.5) | < 0.0001 |