Table 2 Summary of demographical data and operators’ experience in the eight participating institutions.

From: US-Guided Percutaneous Radiofrequency versus Microwave Ablation for Benign Thyroid Nodules: A Prospective Multicenter Study

Participating Institutions No. of Pts. No. of nodules Ablation Operators Operators’ experience (years)
Thyroid US examination Thyroid ablation
The First Affiliated Hospital of Dalian Medical University 535 572 RFA Y. C. 20 5
Tianyou Hospital Affiliated to Wuhan University of Science & Technology 207 218 MWA S. Y. 20 5
Chinese PLA General Hospital 179 197 MWA P. L. 30 10
Z. C. 20 5
Z. H. 20 5
Yantai Affiliated Hospital of Binzhou Medical University 166 188 MWA S. W. 20 5
Chinese PLA No. 208 Hospital 51 61 MWA D. T. 20 5
Shanghai Tenth People’s Hospital 49 49 RFA H. X. 20 5
Fujian Provincial Hospital 44 45 RFA J. L. 20 5
Peking University Shenzhen Hospital 21 21 RFA D. S. 20 5
Total 1252 1351
  1. Pts: Patients; US: Ultrasound; RFA: Radiofrequency ablation; MWA: Microwave ablation.