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Table 5 Median and quartile values of quantitative perfusion variables at baseline and dipyridamole stress, in patients with malignant and benign tumors

From: Evaluation of cardiac masses by real-time perfusion imaging echocardiography

Variable Malignant tumors (n = 14) Benign tumors (n = 10)
P25 MEDIAN P75 P25 MEDIAN P75 P
A (dB) rest 1.7 3.11 8.4 1.11 1.88 4.55
Axβ (dB/s−1) rest 1.11 1.88 4.55 0.49 1.11 4.52
A (dB) - stress 2.14 4.18 7.93 1.11 2.69 4.26 §
Axβ (dB/s−1) - stress 1.42 2.46 4.59 0.55 1.55 5.5
  1. A: Blood volume; Axβ: Regional microvascular blood flow.
  2. † = not significant between malignant tumors and benign tumors; § = p < 0.05 between malignant tumors and benign tumors.