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Table 2 Changes in VRR of TNs after RFA treatment at each follow-up

From: Patient satisfaction of radiofrequency ablation for symptomatic benign solid thyroid nodules: our experience for 2-year follow up

  Small
≤ 5 ml (n = 38)
Medium
5.1–13 ml (n = 86)
Intermediate
13.1–30 ml (n = 43)
Large
>30 ml (n = 27)
  Mean ± SD Range Mean ± SD Range Mean ± SD Range Mean ± SD Range
1 month 67.2 ± 10.7 37.2–86.3 61.2 ± 11.1 24.5–80.3 53.1 ± 15.7 15.6–79.3 37.1 ± 16.2 12.3–54.3
3 months 79.5 ± 9.6a 43.3–100 73.3 ± 10.8a 35.2–91.2 65.9 ± 13.1a 28.1–84.5 49.3 ± 15.6a 27.3–65.3
6 months 87.6 ± 8.2a 54.7–100 79.4 ± 9.4a 46.7–100 71.4 ± 12.6a 41.5–89.3 57.8 ± 14.9a 38.2–74.7
12 months 93.3 ± 5.9a 69.4–100 83.1 ± 7.2a 63.2–100 78.6 ± 11.5a 56.3–90.6 65.6 ± 13.4a 47.2–81.3
18 months 95.5 ± 3.7a 76.2–100 87.8 ± 5.3a 73.6–100 81.4 ± 9.3a 59.7–91.7 70.8 ± 11.1a 57.1–86.4
24 months 98.7 ± 1.3a 85.6–100 92.4 ± 3.2a 78.2–100 87.5 ± 4.6a 61.8–93.6 72.3 ± 10.3a 60.7–89.7
  1. VRR volume reduction ratio, TNs thyroid nodules, RFA radiofrequency ablation,
  2. a < .001