Table 2.
Medical and demographic characteristics by verified cardiac rehospitalization (N=766)*
| Characteristic | Cardiac Rehospitalization | ||
|---|---|---|---|
| P-value | |||
| No (n=548) |
Yes (n=218) |
||
| Demographics | |||
| Gender (% Female) | 201 (36.7) | 103 (47.3) | .007 |
| Caucasian | 427 (77.9) | 153 (70.2) | .02 |
| Married | 377 (70.6) | 138 (65.1) | .14 |
| Education (> 12 years) | 399 (75.6) | 143 (67.8) | .03 |
| Medical | |||
| Heart Rate at Baseline (bpm) | 72.2 ± 12.7 | 73.6 ± 13.1 | .17 |
| Systolic blood pressure (mmHg) | 121.7 ± 19.1 | 125.2 ± 18.3 | .02 |
| Body Mass Index (kg/m2) | 28.6 ± 5.3 | 29.7 ± 5.8 | .02 |
| Cigarette smoker (current) | 173 (32.1) | 75 (35.2) | .41 |
| Total Cholesterol (mg/dl) | 190.0 ± 44.4 | 190.0 ± 52.9 | .99 |
| Time from MI to Baseline (days) | 13.5 ± 7.7 | 11.4 ± 8.2 | .001 |
| Post MI PTCA | 335 (62.0) | 136 (63.9) | .64 |
| Thrombolytic therapy | 173 (32.2) | 61 (28.5) | .33 |
| < 24 hr admit from index MI | 418 (77.3) | 175 (81.0) | .26 |
| History hypercholesterdemia | 296 (55.9) | 118 (56.5) | .88 |
| Heart disease in 1st degree relatives | 366 (69.1) | 131 (62.4) | .08 |
| History PVD | 42 (7.9) | 32 (15.6) | .002 |
| History CABG | 45 (8.4) | 37 (17.5) | <.001 |
| History PTCA | 60 (11.2) | 43 (20.5) | .001 |
| History of Hypertension | 288 (53.2) | 134 (63.2) | .01 |
| Charlson Comorbidity Index | 1.7 ± 1.7 | 2.6 ± 2.3 | <.001 |
| ENRICHD All-Cause Mortality Risk Score1 | |||
| Age (years) (766) | 59.4 ± 11.6 | 58.6 ± 11.9 | .43 |
| Diabetes mellitus (761) | 130 (23.8) | 77 (36.0) | <.001 |
| LVEF (<40%) (581) | 103 (21.2) | 57 (28.8) | .03 |
| Killip class III-IV (725) | 22 (4.2) | 16 (7.8) | .05 |
| Creatinine (≥ 1.3 mg/dl) (729) | 100 (19.1) | 42 (20.5) | .67 |
| Post MI CABG (752) | 87 (16.2) | 16 (7.5) | .002 |
| History CHF (690) | 32 (6.4) | 36 (18.7) | <.001 |
| Previous AMI (743) | 93 (17.5) | 64 (30.5) | <.001 |
| History Stroke/TIA (741) | 37 (6.9) | 25 (12.1) | .02 |
| Total Weighted Score (459) | 3.61 ± .90 | 3.85 ± 1.14 | .02 |
| Medications | |||
| Beta blocker | 441 (84.2) | 166 (77.6) | .03 |
| ACE inhibitor | 244 (46.2) | 115 (53.5) | .07 |
| Aspirin | 474 (90.5) | 189 (88.7) | .48 |
| Depression | |||
| Depression diagnosis | <.001 | ||
| No depression | 327 (59.7) | 81 (37.2) | |
| Minor depression | 128 (23.4) | 67 (30.7) | |
| Major depression | 93 (17.0) | 70 (32.1) | |
| Baseline BDI Depression Score | 9.1 ± 8.1 | 13.3 ± 9.9 | <.001 |
| Probable # of Prior Major Depressive Episodes | |||
| 1.5 ± 4.2 | 1.8 ± 3.8 | .39 | |
| History of Depression | 233 (46.7) | 133 (65.5) | <.001 |
| History of Antidepressants | 39 (7.4) | 19 (8.9) | .51 |
| Family History of Depression | 114 (24.8) | 74 (39.8) | <.001 |
*
Continuous variables are reported as mean ± SD; categorical variables represent number of patients (%).
1
Number in the last parenthesis represents the number of patients with observed data for that particular risk score element.