Table 1 Comparison of Veterans excluded from analytic cohort based on missing data, having concurrent noncardiac conditions or do not resuscitate order at presentation
Included n = 335 | Excluded n = 170 | P | |
|---|---|---|---|
%(n) | %(n) | ||
Late presentation* | 68.4 (231) | 30.6 (50) | <0.01 |
Demographics | |||
Age | 64.4 ±10.5 (335) | 68 ±11.1 (163) | <0.01 |
Male | 100 (335) | 95.3 (162) | 0.01 |
Lives alone | 29.6 (99) | 27.1 (46) | 0.56 |
Attended some college/vocational | 57 (191) | 40 (68) | <0.01 |
Miles from home zip to VHA facility | 48.4 ±123 (199) | 47.5 ±71.8 (79) | 0.96 |
Employment status | <0.01 | ||
Full time | 21.4 (67) | 10.1 (15) | |
Part time | 13.7 (43) | 8.1 (12) | |
Not employed | 64.9 (203) | 81.8 (121) | |
Family history of CAD | 47.9 (146) | 50 (70) | 0.91 |
Presentation characteristics | |||
STEMI | 18.2 (61) | 11.2 (19) | 0.04 |
Angina episodes in previous 24 h | <0.01 | ||
0-1 | 38.5 (129) | 54.7 (93) | |
≥2 | 30.1 (101) | 12.4 (21) | |
Missing | 31.3 (105) | 32.9 (56) | |
Tertiary facility | 90.1 (302) | 80.6 (137) | 0.03 |
Medical History | |||
≥1 angina episode per day over prior 4 weeks | 24.2 (81) | 20.6 (35) | 0.37 |
Cardiac procedure (PCI or CABG) | 39.4 (132) | 45.3 (77) | 0.2 |
Prior myocardial infarction | 38.2 (128) | 38.2 (65) | 0.99 |
Prior congestive heart failure | 16.1 (54) | 30.6 (52) | <0.01 |
Prior stroke | 12.8 (43) | 12.9 (22) | 0.97 |
Diabetes | 41.5 (139) | 51.8 (88) | 0.03 |
PTSD | 12.2 (41) | 8.8 (15) | 0.25 |
Alcohol or substance abuse | 20.2 (67) | 17.6 (30) | 0.53 |