Table 1.
Baseline Clinical Data and Therapy at Admission of the 4 Groups.a
| Variable | Group 1 (n = 100) | Group 2 (n = 100) | Group 3 (n = 100) | Group 4 (n = 100) | P value |
|---|---|---|---|---|---|
| Age, years | 55.2 ± 11.0 | 59.2 ± 11.6 | 65.1 ± 11.8 | 70.5 ± 9.5 | <.001 |
| Male | 90 (90.0) | 83 (83.0) | 75 (75.0) | 68 (68.0) | .001 |
| SBP (mm Hg) | 129.8 ± 19.4 | 128.3 ± 21.3 | 128.3 ± 21.9 | 127.8 ± 23.8 | .924 |
| Smoker | 62 (62.0) | 51 (51.0) | 42 (42.0) | 35 (35.0) | .001 |
| Hypertension | 55 (55.0) | 59 (59.0) | 63 (63.0) | 71 (71.0) | .111 |
| Diabetes mellitus | 23 (23.0) | 20 (20.0) | 25 (25.0) | 33 (33.0) | .178 |
| Anemia | 4 (4.0) | 8 (8.0) | 13 (13.0) | 26 (26.0) | <.001 |
| Previous AMI | 1 (1.0) | 1 (1.0) | 2 (2.0) | 4 (4.0) | .382 |
| Atrial fibrillation | 1 (1.0) | 2 (2.0) | 4 (4.0) | 12 (12.0) | .001 |
| CI-AKI | 11 (11.0) | 14 (14.0) | 12 (12.0) | 29 (29.0) | .001 |
| Therapy at admission | |||||
| Aspirin | 98 (98.0) | 96 (96.0) | 99 (99.0) | 91 (91.0) | .028 |
| β-blockers | 81 (81.0) | 72 (72.0) | 80 (80.0) | 68 (68.0) | .325 |
| Statins | 94 (94.0) | 98 (98.0) | 97 (97.0) | 97 (97.0) | .681 |
| ACEI/ARB | 74 (74.0) | 61 (61.0) | 60 (60.0) | 59 (59.0) | .051 |
Abbreviations: ACEI, angiotensin-converting enzyme inhibitor; AMI, acute myocardial infarction; ARB, angiotensin receptor blocker; CI-AKI, contrast induced acute kidney injury; SBP, systolic blood pressure.
a Data are presented as the mean ± SD or n (%).