Skip to main content

Table 5 The relation between the composition the thyroid nodule and the volume reduction ratio

From: Efficacy and safety of ultrasound (US)-guided radiofrequency ablation of benign thyroid nodules

  U/S picture Test value P-value Sig.
Solid Complex Cystic
No. = 27 No. = 16 No. = 2
Volume reduction ratio after 1 month Mean ± SD 59.50 ± 13.47 55.21 ± 17.26 70.30 ± 22.28 1.022a 0.369 NS
Range 30–96.23 29.52–89.33 54.55–86.06
Volume reduction ratio after 3 months Mean ± SD 70.39 ± 11.71 76.14 ± 9.32 90.30 ± 0.00 2.600a 0.088 NS
Range 40–87.33 60–94.14 90.3–90.3
Volume reduction ratio after 6 months Mean ± SD 81.02 ± 10.81 84.00 ± 14.82 92.42 ± 0.00 0.572a 0.569 NS
Range 57.45–92.13 36–98.28 92.42–92.42
  1. P value > 0.05, non-significant; P value < 0.05, significant; P value < 0.01, highly significant
  2. aOne-way ANOVA test