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Table 2 In-hospital procedures and treatment strategy by age category and stratified by type of AMI (n = 3475)

From: Predictors of non-invasive therapy and 28-day-case fatality in elderly compared to younger patients with acute myocardial infarction: an observational study from the MONICA/KORA Myocardial Infarction Registry

  Age category
Variable 25–64 years n = 1329 (38.2) 65–74 years n = 1083 (31.2) 75–84 years n = 1063 (30.6) p Value
Type of AMI STEMI n = 625 (47.0) NSTEMI n = 651 (49.0) BBB n = 53 (4.0) STEMI n = 369 (34.1) NSTEMI n = 603 (55.7) BBB n = 111 (10.2) STEMI n = 298 (28.0) NSTEMI n = 599 (56.4) BBB n = 166 (15.6) <0.0001
Diagnostic procedure
 Coronary angiography 622 (99.5) 606 (93.1) 48 (90.6) 361 (97.8) 534 (88.6) 94 (84.7) 272 (91.3) 443 (74.0) 119 (71.7) 0.003
Treatment strategy           <0.0001
 PCI 554 (88.6) 460 (70.7) 31 (58.4) 295 (79.9) 346 (57.4) 69 (62.2) 215 (72.2) 272 (45.4) 72 (43.4)  
 CABG 49 (7.8) 84 (12.9) 9 (17.0) 46 (12.5) 118 (19.6) 17 (15.3) 33 (11.1) 76 (12.7) 15 (9.0)  
 No invasive therapya 21 (3.4) 106 (16.3) 13 (24.5) 28 (7.6) 138 (22.9) 24 (21.6) 49 (16.4) 251 (41.9) 79 (47.6)  
 Thrombolysis 1 (0.2) 1 (0.2) 0 0 1 (0.2) 1 (0.9) 1 (0.3) 0 0  
Evidence-based medication
 Antiplatelet agents 623 (99.7) 643 (98.8) 52 (98.1) 367 (99.5) 600 (99.5) 109 (98.2) 295 (99.0) 590 (98.5) 164 (98.8) 0.24
 DAPT 587 (93.9) 543 (83.4) 44 (83.0) 329 (89.2) 459 (76.1) 82 (73.9) 253 (84.9) 404 (67.5) 117 (70.5) <0.0001
 Beta-blockers 601 (96.2) 635 (97.5) 50 (94.3) 351 (95.1) 581 (96.4) 105 (94.6) 274 (92.0) 565 (94.3) 155 (93.4) 0.0006
 Statins 596 (95.4) 612 (94.0) 48 (90.6) 346 (93.8) 562 (93.2) 94 (84.7) 270 (90.6) 521 (87.0) 147 (88.6) <0.0001
 ACEIs/ARBs 587 (93.9) 584 (89.7) 48 (90.6) 337 (91.3) 544 (90.2) 96 (86.5) 255 (85.6) 507 (84.6) 139 (83.7) <0.0001
  1. Data are presented as number (percentage). P values were calculated for comparison of the age categories. Data of the total sample of each age category are not presented in this table, but used for comparison tests
  2. AMI acute myocardial infarction, STEMI ST-elevation myocardial infarction, NSTEMI non-ST-elevation myocardial infarction, BBB bundle branch block, PCI percutaneous coronary intervention, CABG coronary artery bypass graft, DAPT dual antiplatelet therapy, ACEIs/ARBs angiotensin-converting enzyme inhibitors or angiotensin-receptor blockers
  3. a Invasive therapy was defined as PCI with stent implantation or balloon dilatation or/and CABG