| No IM Therapy | IM Therapy | p-valueb |
---|---|---|---|
 | (n = 50,706) | (n = 6,589) | |
Age (years ± SD) | 67.8 ± 15.4 | 63.5 ± 14.8 | <0.001 |
Sex (%) | Â | Â | Â |
  Female | 23,649 (46.6) | 4,076 (61.9) | <0.001 |
  Male | 27,057 (53.4) | 2,513 (38.1) | <0.001 |
Race (%) | Â | Â | Â |
  White | 45,285 (89.3) | 6,058 (91.9) | <0.001 |
  African American | 3,550 (7.0) | 327 (5.0) | <0.001 |
  Asian | 945 (1.9) | 106 (1.6) | 0.147 |
  Other | 926 (1.8) | 98 (1.5) | 0.051 |
Marital Status (%) | Â | Â | Â |
  Married | 26,475 (52.2) | 3,572 (54.2) | 0.002 |
  Widow | 9,821 (19.4) | 977 (14.8) | <0.001 |
  Divorced | 4,865 (9.6) | 723 (11.0) | <0.001 |
  Single | 9,545 (18.8) | 1,317 (20.0) | 0.023 |
Circulatory System Disease (%) | Â | Â | Â |
  Arteries, Arterioles & Capillaries | 4,379 (8.6) | 427 (6.5) | <0.001 |
  Cerebrovascular | 5,994 (11.8) | 863 (13.1) | 0.003 |
  Hypertension | 28,556 (56.3) | 4,207 (63.8) | <0.001 |
  Ischemic Heart Disease | 15,016 (29.6) | 1,278 (19.4) | <0.001 |
  Pulmonary Circulation | 2,408 (4.7) | 481 (7.3) | <0.001 |
  Other | 23,485 (46.3) | 3,365 (51.1) | <0.001 |
APR-DRG Severity (%) | Â | Â | Â |
  Minor | 7,926 (15.6) | 497 (7.5) | <0.001 |
  Moderate | 19,179 (37.8) | 1,928 (29.3) | <0.001 |
  Major | 18,049 (35.6) | 2,745 (41.7) | <0.001 |
  Extreme | 5,552 (10.9) | 1,419 (21.5) | <0.001 |
Health Insurance (%) | Â | Â | Â |
  Commercial | 15,084 (29.7) | 2,368 (35.9) | <0.001 |
  Medicare | 26,492 (52.2) | 3,045 (46.2) | <0.001 |
  Medicaid | 7,951 (15.7) | 1,009 (15.3) | 0.440 |
  Other | 1,179 (2.3) | 167 (2.5) | 0.291 |