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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