Table 2.
Characteristics of propensity score matched patients according to pre-existing depression.
| Baseline characteristics | Angina (n = 8,524) | AMI (n = 4,692) | ||||||
|---|---|---|---|---|---|---|---|---|
| Overall (n = 8,524) | Non-depression (n = 4,262) | Depression (n = 4,262) | p value | Overall (n = 4,692) | Non-depression (n = 2,346) | Depression (n = 2,346) | p value | |
| Age, years | 70.0 ± 10.1 | 70.1 ± 10.2 | 69.8 ± 9.9 | 0.710 | 70.9 ± 11.3 | 71.1 ± 11.3 | 70.6 ± 11.3 | 0.898 |
| Men | 4,327 (50.8%) | 2,137 (50.1%) | 2,190 (51.4%) | 0.999 | 2,548 (54.3%) | 1,267 (54.0%) | 1,281 (54.6%) | 0.394 |
| Cormobidities | ||||||||
| Diabetes | 4,370 (51.3%) | 2,208 (51.8%) | 2,162 (50.7%) | 0.548 | 2,022 (43.1%) | 1,014 (43.2%) | 1,008 (43.0%) | 0.506 |
| Hyperlipidemia | 5,589 (65.6%) | 2,786 (65.4%) | 2,803 (65.8%) | 0.464 | 2,260 (48.2%) | 1,143 (48.7%) | 1,117 (47.6%) | 0.999 |
| Hypertension | 7,091 (83.2%) | 3,576 (83.9%) | 3,515 (82.5%) | 0.948 | 3,466 (73.9%) | 1,746 (74.4%) | 1,720 (73.3%) | 0.841 |
| Congestive heart failure | 1,175 (13.8%) | 595 (14.0%) | 580 (13.6%) | 0.700 | 348 (7.4%) | 169 (7.2%) | 179 (7.6%) | 0.613 |
| Arrhythmia | 1,135 (13.3%) | 565 (13.3%) | 570 (13.4%) | 0.744 | 284 (6.1%) | 136 (5.8%) | 148 (6.3%) | 0.852 |
| Valvular disease | 69 (0.8%) | 38 (0.9%) | 31 (0.7%) | 0.810 | 12 (0.3%) | 6 (0.3%) | 6 (0.3%) | 0.386 |
| Peripheral vascular disease | 1,807 (21.2%) | 901 (21.1%) | 906 (21.3%) | 0.700 | 846 (18.0%) | 431 (18.4%) | 415 (17.7%) | 0.394 |
| Cerebrovascular disease | 2,587 (30.3%) | 1,263 (29.6%) | 1,324 (31.1%) | 0.778 | 1,048 (22.3%) | 497 (21.2%) | 551 (23.5%) | 0.900 |
| Chronic pulmonary disease | 2,143 (25.1%) | 1,074 (25.2%) | 1,069 (25.1%) | 0.999 | 930 (19.8%) | 461 (19.7%) | 469 (20.0%) | 0.680 |
| Moderate to severe liver disease | 7 (0.1%) | 2 (0.05%) | 5 (0.1%) | 0.999 | 5 (0.1%) | 3 (0.1%) | 2 (0.1%) | 0.999 |
| Renal disease | 812 (9.5%) | 415 (9.7%) | 397 (9.3%) | 0.910 | 330 (7.0%) | 156 (6.6%) | 174 (7.4%) | 0.767 |
| Cancer | 246 (2.9%) | 117 (2.7%) | 129 (3.0%) | 0.172 | 145 (3.1%) | 68 (2.9%) | 77 (3.3%) | 0.733 |
| Rheumatologic disease | 30 (0.4%) | 15 (0.4%) | 15 (0.4%) | 0.855 | 10 (0.2%) | 4 (0.2%) | 6 (0.3%) | 0.343 |
| Charlson comorbidity index | 2.36 ± 1.67 | 2.33 ± 1.68 | 2.38 ± 1.66 | 0.668 | 1.90 ± 1.59 | 1.85 ± 1.61 | 1.96 ± 1.58 | 0.730 |
| Types of treatment | ||||||||
| Drug-eluting stent | 7,905 (92.7%) | 3,950 (92.7%) | 3,955 (92.8%) | 0.800 | 4,338 (92.5%) | 2,165 (92.3%) | 2,173 (92.6%) | 0.955 |
| Bioresorbable vascular scaffold | 11 (0.1%) | 3 (0.1%) | 8 (0.2%) | 0.546 | 14 (0.3%) | 7 (0.3%) | 7 (0.3%) | 0.999 |
| Bare-metal stent | 46 (0.5%) | 22 (0.5%) | 24 (0.6%) | 0.883 | 48 (1.0%) | 24 (1.0%) | 24 (1.0%) | 0.665 |
| Number of stent per person | 1.42 ± 0.70 | 1.42 ± 0.69 | 1.42 ± 0.71 | 0.096 | 1.43 ± 0.68 | 1.44 ± 0.69 | 1.43 ± 0.67 | 0.465 |
| Medication during hospitalization | ||||||||
| Anti-platelet | 8,433 (98.9%) | 4,218 (99.0%) | 4,215 (98.9%) | 0.289 | 4,674 (99.6%) | 2,336 (99.6%) | 2,338 (99.7%) | 0.239 |
| Statin | 7,260 (85.2%) | 3,634 (85.3%) | 3,626 (85.1%) | 0.561 | 4,294 (91.5%) | 2,150 (91.6%) | 2,144 (91.4%) | 0.874 |
| B-blocker | 5,016 (58.8%) | 2,515 (59.0%) | 2,501 (58.7%) | 0.774 | 3,633 (77.4%) | 1,829 (78.0%) | 1,804 (76.9%) | 0.728 |
| ACEI/ARB | 4,917 (57.7%) | 2,447 (57.4%) | 2,470 (58.0%) | 0.999 | 3,283 (70.0%) | 1,643 (70.0%) | 1,640 (69.9%) | 0.704 |
Data are mean ± standard deviation (SD) or number (%).
ACEI angiotensin-converting enzyme inhibitor, AMI acute myocardial infarction, ARB angiotensin receptor blocker.