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Table 2 Resting and peak exercise echocardiographic parameters (Mean/Median and 95% confidence intervals, 95% CI)

From: The assessment of pressure-volume relationship during exercise stress echocardiography predicts left ventricular remodeling and eccentric hypertrophy in patients with chronic heart failure

Variable Overall population n = 155 No remodeling n = 121 Remodeling n = 34 p-value
Rest
 Heart rate (bpm) 77 [75–79] 77 [75–79] 78 [73–83] 0.60
 Systolic arterial pressure (mmHg) 123[120–126] 125 [121–129] 115 [109–121] 0.02
 Diastolic arterial pressure (mmHg) 76 [74–78] 77 [75–79] 72 [68–75] 0.06
 End-diastolic volume (ml) 200 [192–207] 194 [186–203] 221 [203–239] 0.008
 End-systolic volume (ml) 140 [133–147] 134 [126–142] 163 [14.9–1783] 0.001
 Ejection fraction (%) 31 [30–32] 32 [31–33] 26 [24–28] 0.0001
 Cardiac output (l/min) 4.2 [4.0–4.4] 4.2 [4.0–4.4] 4.1 [3.6–4.5] 0.30
 E/e’ 13 [12–13] 12 [115–13] 16 [14–18] 0.002
Peak exercise
 Heart rate (bpm) 125 [121–128] 127 [123–129.] 117 [108–125] 0.010
 Systolic arterial pressure (mmHg) 162 [157–167.1] 167 [161–173] 143 [132–153] 0.002
 Diastolic arterial pressure (mmHg) 99 [82–116] 102 [81–124] 86 [78–94] 0.40
 End-diastolic volume (ml) 180 [170–189] 170 [161–179] 215 [190–241] 0.0001
 End-systolic volume (ml) 117 [109–124] 108 [100–115] 150 [1479–179] < 0.0001
 Ejection fraction (%) 36 [35–38] 37 [36–39] 30 [29–33] < 0.0001
 Cardiac output (l/min) 8.7 [8.2–9.2] 9.1 [8.6–9.6] 7.3 [6.2–8.5] 0.004
 Cardiac power output-to-mass (Watt/100 g) 0.84 [0.78–0.91] 0.91 [0.84–0.98] 0.58 [0.45–0.70] < 0.0001
 LV Elastance (mmHg/ml/m2) 1.6 [1.5–1.7] 1.7 [1.62–1.87] 1.0 [0.9–1.2] < 0.0001
  1. Legend: E/e’, ratio of mitral E peak velocity and averaged e’ velocity; LV, left ventricular