Table 1: Baseline information of all participants.

ParametersWK* treatment (91 cases)Sotalol treatment (89 cases) value ( value)**

Hyperthyroidism history (years)8.374 ± 2.6198.551 ± 2.6800.448 (0.655)
PAF* history (years)4.099 ± 1.5994.213 ± 1.6750.469 (0.639)
FT3* (pmol/L)24.613 ± 5.05924.405 ± 5.006−0.278 (0.781)
FT4* (pmol/L)118.697 ± 29.213116.132 ± 28.266−0.598 (0.550)
TSH* (IU/mL)0.007 ± 0.0100.009 ± 0.0151.191 (0.235)

WK: Wenxin Keli, PAF: paroxysmal atrial fibrillation, FT3: free triiodothyronine, FT4: free thyroxine, and TSH: thyroid stimulating hormone; **analyzed by independent samples -test.