Appendix Table 1.
Characteristic | Patients whose records were not obtained by vendor | Patients whose records were obtained | P-Value for difference |
---|---|---|---|
n | 115 | 185 | |
Age (mean, SD) | 71.3 (12.7) | 74.1 (11.3) | 0.096 |
Age>65y (n, %) | 87 (75.7) | 150 (81.1) | 0.262 |
Female (n, %) | 43 (37.4) | 70 (37.8) | 0.938 |
Census regions (n, %) | |||
Northeast | 15 (13.0) | 31 (16.8) | 0.385 |
South | 39 (33.9) | 58 (31.4) | 0.645 |
Midwest | 29 (25.2) | 60 (32.4) | 0.183 |
West | 32 (27.8) | 36 (19.5) | 0.092 |
Unknown | 0 (0) | 0 (0) | – |
Inclusion criteria (n, %): | |||
History of AMI | 84 (73.0) | 146 (78.9) | 0.242 |
History of PCI | 67 (58.3) | 113 (61.1) | 0.628 |
History of CABG | 36 (31.3) | 73 (39.5) | 0.153 |
History of CAD | 109 (94.8) | 176 (95.1) | 0.892 |
Enrichment factors (n, %): | |||
Presence of diabetes | 55 (47.8) | 93 (50.3) | 0.681 |
Presence of cerebrovascular disease | 53 (46.1) | 96 (51.9) | 0.328 |
Presence of peripheral artery disease | 34 (29.6) | 75 (40.5) | 0.055 |
Left ventricular ejection fraction < 50% | 17 (14.8) | 39 (21.1) | 0.173 |
Creatinine > 1.5 mg/dL | 1 (0.9) | 2 (1.1) | 0.858 |
systolic or diastolic heart failure | 44 (38.3) | 87 (47.0) | 0.137 |
LDL cholesterol > 130 mg/dL | 3 (2.6) | 8 (4.3) | 0.442 |
SD = standard deviation; AMI = acute myocardial infarction; PCI = percutaneous coronary intervention; CABG = coronary artery bypass graft; CAD = coronary artery disease; LDL = low-density lipoprotein.