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Table 1 Patient Characteristics and Treatments in Three Cohorts (n = 1,976)

From: Changes in practice patterns affecting in-hospital and post-discharge survival among ACS patients

Variables: MICH1 n = 814 MICH2 n = 452 HARP n = 710 p-value
Demographics:     
Age M = 63.8 M = 65.6 M = 60.7 <0.01
  SD = 13.7 SD = 14.5 SD = 12.7  
Gender (male) 510 (62.7%) 266 (58.9%) 443 (62.4%) >0.36
Race (white) 682 (83.8%) 364 (80.5%) 606 (85.4%) >0.09
Charlson Index M = 2.32 M = 2.69 M = 2.09 <0.01
Med = 2 Med = 2 Med = 2   
  Range = 1–10 Range = 1–12 Range = 1–12  
Ejection Fraction     <0.01
   <35% 83 (10.2%) 43 (9.5%) 75 (10.4%)  
   35%–44% 121 (14.9%) 46 (10.2%) 115 (16.0%)  
   ≥45% 396 (48.7%) 146 (32.3%) 422 (58.7%)  
   missing 214 (26.3%) 217 (48.0%) 107 (14.9%)  
No. of Vessels     <0.01
   0 28 (3.5) 14 (3.3) 66 (11.0)  
   1 196 (24.6) 84 (20.0) 207 (34.3)  
   2 180 (22.6) 80 (19.0) 155 (25.7)  
   3 392 (49.2) 243 (57.7) 175 (29.0)  
Invasive Procedures and Treatments:     
None 200 (24.6) 142 (31.4) 72 (10.5) <0.01
CATH 614 (75.4) 312 (68.4) 638 (89.5) <0.01
PCI 216 (26.5) 136 (30.1) 342 (48.2) <0.01
CABG 185 (22.7) 74 (16.4) 158 (22.3) <0.01
Medications in Hospital:     
ACEIs & ARBs 161 (19.8) 154 (34.7) 407 (57.3) <0.01
Beta-Blockers 186 (24.1) 186 (41.2) 500 (70.4) <0.01
Aspirin 498 (61.2) 307 (67.9) 614 (96.5) <0.01
Thrombolytics 480 (59.0) 278 (61.5) 77 (10.9) <0.01
Medications at Hospital Discharge:     
ACEIs & ARBs 161 (19.8) 154 (34.7) 407 (57.3) <0.01
Beta-Blockers 186 (24.1) 186 (41.2) 500 (70.4) <0.01
Aspirin 498 (61.2) 307 (67.9) 614 (96.5) <0.01