Article Figures & Data
Figures
- FIGURE 1.
Univariate (A and B) and multivariate (C) Cox regression analysis for prediction of CD and nonfatal MI. LK = prescan likelihood of coronary disease; DM = diabetes mellitus. *P < 0.02. **P < 0.001.
- FIGURE 2.
Annual CD rate as function of EF. Number of patients at each 10% interval is indicated in parentheses.
- FIGURE 3.
Cumulative survival with stratification by EF. Number of patients in each subgroup is indicated.
- FIGURE 4.
Nonfatal MI rate as function of SDS. Number of patients at each 5-unit interval is indicated.
- FIGURE 5.
Cumulative hazard of nonfatal MI with stratification by presence or absence of ischemia. Number of patients in each subgroup is indicated.
- FIGURE 6.
CD rate as function of amount of ischemia in patients with EF >50% and EF between 30% and 50% (A) and in patients with EF <30% (B). Mod = moderate. *P < 0.05 vs. EF >50% in same perfusion category. **P < 0.005 compared with no ischemia and same EF category.
- FIGURE 7.
Risk stratification by poststress EF and amount of stress-induced ischemia.
Tables
Parameter n (%) Patients 2,686 Age (y) 66 ± 12 Males 1,636 (60.9) Exercise 1,678 (62) Symptoms Typical angina 403 (15) Atypical angina 798 (29.7) History of MI 698 (26) History of coronary angioplasty 518 (19.3) History of bypass surgery 525 (19.5) Diabetes mellitus 313 (12) Hypertension 1,284 (47.8) Current smoking 259 (9.6) Prescan likelihood of CAD 0.38 ± 0.31 Abnormal perfusion at stress 1,440 (53.9) Reversible perfusion defect 1,261 (47) EF 58 ± 5 CD 57 (2.12) MI 30 (1.12) - TABLE 2
Multivariate Cox Proportional Hazards Analysis: Best Models for Prediction of MI and CD
Parameter β coefficient SE Wald χ2 P MI SDS 0.08 0.02 17.03 <0.0001 Prescan likelihood of CAD 1.74 0.68 6.55 0.01 CD EF −0.05 0.01 24.35 <0.0001 Adenosine stress 1.22 0.35 11.89 0.0006 Prescan likelihood of CAD 1.57 0.64 5.97 0.02
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