TABLE 2.
Baseline Characteristics of Treated and Untreated Participants in the First Propensity Score Matched Sample
| Variable | No Smoking Cessation Counseling (N = 682) | Smoking Cessation Counseling (N = 682) | Standardized Difference of the Mean | Variance Ratio |
|---|---|---|---|---|
| Demographic Characteristics | ||||
| Age | 59.3 ± 11.8 | 59.5 ± 13.1 | 0.012 | 1.235 |
| Female | 176 (25.8%) | 188 (27.6%) | 0.040 | 1.043 |
| Presenting Signs and Symptoms | ||||
| Acute pulmonary edema | 28 (4.1%) | 29 (4.3%) | 0.007 | 1.034 |
| Vital Signs on Admission | ||||
| Systolic blood pressure | 148.8 ± 31.2 | 147.7 ± 31.2 | 0.036 | 1.002 |
| Diastolic blood pressure | 86.4 ± 18.9 | 85.7 ± 18.5 | 0.036 | 0.952 |
| Heart rate | 83.2 ± 24.4 | 82.5 ± 21.9 | 0.029 | 0.808 |
| Respiratory rate | 20.9 ± 5.3 | 21.0 ± 5.7 | 0.027 | 1.130 |
| Classic Cardiac Risk Factors | ||||
| Diabetes | 149 (21.8%) | 148 (21.7%) | 0.004 | 0.995 |
| Hyperlipidemia | 217 (31.8%) | 218 (32.0%) | 0.003 | 1.002 |
| Hypertension | 276 (40.5%) | 260 (38.1%) | 0.048 | 0.979 |
| Family history of coronary artery disease | 229 (33.6%) | 244 (35.8%) | 0.046 | 1.030 |
| Comorbid Conditions and Vascular History | ||||
| Cerebrovascular accident/Transient ischemic | attack 47 (6.9%) | 45 (6.6%) | 0.012 | 0.960 |
| Angina | 174 (25.5%) | 174 (25.5%) | 0.000 | 1.000 |
| Cancer | 15 (2.2%) | 14 (2.1%) | 0.010 | 0.935 |
| Dementia | 6 (0.9%) | 9 (1.3%) | 0.042 | 1.493 |
| Previous myocardial infarction | 143 (21.0%) | 138 (20.2%) | 0.018 | 0.974 |
| Asthma | 42 (6.2%) | 35 (5.1%) | 0.044 | 0.842 |
| Depression | 64 (9.4%) | 64 (9.4%) | 0.000 | 1.000 |
| Peptic ulcer disease | 36 (5.3%) | 35 (5.1%) | 0.007 | 0.974 |
| Peripheral vascular disease | 64 (9.4%) | 54 (7.9%) | 0.052 | 0.857 |
| Previous coronary revascularization | 45 (6.6%) | 45 (6.6%) | 0.000 | 1.000 |
| Chronic congestive heart failure | 20 (2.9%) | 14 (2.1%) | 0.056 | 0.706 |
| Laboratory Tests | ||||
| Glucose | 9.1 ± 5.4 | 9.2 ± 5.6 | 0.019 | 1.095 |
| White blood count | 10.7 ±i 3.8 | 10.8 ± 4.1 | 0.024 | 1.154 |
| Hemoglobin | 144.2 ± 16.4 | 143.1 ± 18.4 | 0.064 | 1.249 |
| Sodium | 139.0 ± 3.4 | 139.0 ± 3.9 | 0.002 | 1.364 |
| Potassium | 4.1 ± 0.5 | 4.1 ± 0.5 | 0.014 | 1.166 |
| Creatinine | 93.2 ± 38.3 | 93.2 ± 43.9 | 0.001 | 1.310 |
| Prescriptions for Cardiovascular Medications at Hospital Discharge | ||||
| Statin | 184 (27.0%) | 188 (27.6%) | 0.013 | 1.014 |
| Beta-blocker | 425 (62.3%) | 437 (64.1%) | 0.036 | 0.980 |
| Angiotensin Converting Enzyme (ACE) inhibitor/Angiotensin receptor blockers | 335 (49.1%) | 322 (47.2%) | 0.038 | 0.997 |
| Plavix | 30 (4.4%) | 29 (4.3%) | 0.007 | 0.968 |
| Acetylsalicyclic Acid (ASA) | 513 (75.2%) | 514 (75.4%) | 0.003 | 0.996 |
Note. Continuous variables are presented as means ± standard deviation; dichotomous variables are presented as N (%).