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Table 2 Integrated backscatter (IBS) variables (mean ± SD) in patients with Thyroid Dysfunction and Controls

From: Myocardial ultrasonic tissue characterization in patients with thyroid dysfunction

  Hyperthyroidism (n = 15) Hypothyroidism (n = 8) Subclinical Hypothyroidism (n = 14) Controls
(n = 19)
CC of IBS 1.57 ± 0.6 a 1.53 ± 0.3 a 1.32 ± 0.3 1.2 ± 0.3
CV (dB) 8.2 ± 2.0 7.5 ± 2.4 8.2 ± 3.1 7 ± 2.0
CVI (%) 37.8 ± 11.6 35.6 ± 19.7 34.7 ± 17.5 44.5 ± 15.1
  1. a = p < 0.05 vs controls; CC of IBS = correct coefficient of IBS; CV = absolute cyclic variation of IBS; CVI = percentual relationship between CV and mean value of IBS