Article Figures & Data
Figures
- FIGURE 1.
Kaplan–Meier survival curves (total mortality) in diabetic patients with normal perfusion, reversible defects, and fixed defects.
Tables
- TABLE 1
Clinical, Stress Test, and Scintigraphic Data of Patients Who Survived and Patients Who Died During Follow-Up
Parameter Patients who died (n = 80) Patients who survived (n = 217) P Age (y) 64 ± 8 59 ± 9 0.001 Men 57 (71) 133 (61) 0.1 Previous myocardial infarction 31 (39) 57 (27) 0.01 Hypertension 46 (58) 128 (59) NS Smoking 18 (23) 39 (13) 0.09 Hypercholesterolemia 35 (44) 105 (48) NS Symptom None 30 (38) 71 (33) NS Heart failure 28 (35) 42 (19) 0.01 Atypical chest pain 26 (33) 70 (32) NS Angina 18 (23) 65 (30) NS Peripheral vascular disease 16 (20) 26 (12) 0.03 Peripheral neuropathy 12 (15) 22 (10) 0.08 Overt nephropathy 22 (28) 43 (20) 0.04 Previous stroke 4 (5) 7 (3) NS Resting heart rate (beats/min) 81 ± 18 80 ± 16 NS Dobutamine stress test 69 (86) 160 (74) 0.02 Stress heart rate (beats/min) 130 ± 15 134 ± 17 0.08 Resting systolic blood pressure (mm Hg) 146 ± 28 145 ± 23 0.7 Stress systolic blood pressure (mm Hg) 155 ± 33 174 ± 34 0.001 Stress rate pressure product 18,549 ± 4,800 22,420 ± 6,084 0.001 ST-segment depression 18 (23) 41 (19) 0.1 Angina during stress 12 (15) 54 (25) 0.02 Scan result 0.001 Normal 20 (25) 98 (45) Completely reversible defects 10 (13) 22 (10) Fixed and reversible defects 28 (35) 43 (20) Fixed defect 22 (28) 54 (25) Summed stress score 5.2 ± 3 2.8 ± 2.3 NS = not significant.
Values in parentheses are percentages.
- TABLE 2
Independent Predictors of Mortality and Cardiac Events in Multivariate Analysis Models
Parameter Hazard ratio Confidence interval All-cause mortality Age* 1.04 1.02–1.07 Male sex 1.9 1.2–3.0 Heart failure 1.6 1.1–2.5 Peripheral vascular disease 1.5 1.2–2.9 Stress systolic blood pressure 0.92 0.88–0.96 Reversible perfusion defects 1.9 1.2–2.6 Summed stress score* 1.3 1.1–2.1 Hard cardiac events Age* 1.05 1.01–1.08 Male sex 1.8 1.1–3.1 Heart failure 2.6 1.5–4.3 Peripheral vascular disease 1.6 1.1–3.2 Reversible perfusion defects 2.3 1.4–3.9 Summed stress score* 1.2 1.1–1.3 Cardiac death Age 1.04 1.01–1.08 Heart failure 2.3 1.2–4.2 Reversible perfusion defects 2.4 1.3–4.3 Summed stress score 1.2 1.1–1.3 ↵* Per 1-unit increment.
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