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Figure 5 Comparison of Salbutamol and glyceryl trinitrate (GTN)-induced changes in augmentation index (AIx) in coronary artery disease patients (CAD) with control subjects. A significantly greater decrease occurred in AIx in control subjects compared to CAD patients following Salbutamol (–2.4 ± 1.9%; controls: –13.2 ± 2.3%, p < 0.002). This difference was not significant following GTN (–27.4 ± 4.2 vs. –38.9 ± 4.4%, p = 0.07).
