Table 1.
Baseline characteristics for unplanned readmitted vs. non-readmitted patients.
| Readmitted | Not Readmitted | p | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Demographics and Comorbidities | |||||
| n | 15 | - | 60 | - | - |
| Age (years) | 64.5 | 18.7 | 67.5 | 11.5 | 0.43 |
| Sex (% Females) | 40 | - | 25 | - | 0.25 |
| Length of Stay (days) | 3.5 | 1.5 | 2.8 | 1.5 | 0.14 |
| Private insurance (%) | 47 | - | 38 | - | 0.57 |
| Single room (%) | 33 | - | 30 | - | 0.80 |
| Live alone (%) | 47 | - | 28 | - | 0.17 |
| Cardiovascular risk factors and comorbidities | |||||
| AF (%) | 33 | - | 32 | - | 0.90 |
| HF (%) | 33 | - | 15 | - | 0.10 |
| Dyslipidemia (%) | 67 | - | 68 | - | 0.90 |
| Hypertension (%) | 60 | - | 75 | - | 0.25 |
| Prior Stroke (%) | 20 | - | 12 | - | 0.40 |
| Prior Diabetes (%) | 20 | - | 32 | - | 0.38 |
| Prior Angina (%) | 73 | - | 25 | - | 0.03 |
| Prior MI (%) | 33 | - | 18 | - | 0.21 |
| Prior PCI (%) | 13 | - | 22 | - | 0.47 |
| Prior CABG (%) | 20 | - | 8 | - | 0.19 |
| PAD (%) | 13 | - | 3 | - | 0.13 |
| Current smoker (%) | 20 | - | 23 | - | 0.95 |
| Non-Cardiovascular risk factors or comorbidities | |||||
| COPD (%) | 20 | - | 13 | - | 0.51 |
| Arthritis (%) | 13 | - | 22 | - | 0.47 |
| Depression (%) | 20 | - | 10 | - | 0.29 |
| Anxiety (%) | 7 | - | 5 | - | 0.81 |
| No OSA (%) | 87 | - | 90 | - | 0.84 |
| OSA with CPAP (%) | 7 | - | 7 | - | |
| OSA w/o CPAP (%) | 7 | - | 3 | - | |
| Asthma (%) | 20 | - | 12 | - | 0.40 |
| GORD (%) | 13 | - | 30 | - | 0.19 |
| Procedures and medications | |||||
| Angiography (%) | 27 | - | 47 | - | 0.15 |
| Aspirin (%) | 33 | - | 48 | - | 0.30 |
| Statin (%) | 40 | - | 50 | - | 0.49 |
| ARB / ACE inhibitor (%) | 40 | - | 42 | - | 0.91 |
| GTN (%) | 33 | - | 13 | - | 0.07 |
Abbreviations: AF = atrial fibrillation; HF = heart failure; PCI= percutaneous coronary intervention; CABG = coronary artery bypass graft; AAA = abdominal aortic aneurysm; MI = myocardial infarction; OSA = obstructive sleep apnea; CPAP = continuous positive air pressure; GORD = gastro-esophageal reflux disease; PAD = peripheral artery disease; COPD = chronic obstructive pulmonary disease; ARB = angiotensin II receptor blocker; ACE = angiotensin converting enzyme; GTN = glyceryl trinitrate. p values were taken from t-test or chi2 test, as appropriate.