Research Article
The Effect of Levothyroxine Discontinuation Timing on Postoperative Hypothyroidism after Hemithyroidectomy for Papillary Thyroid Microcarcinoma
Table 2
Univariate analysis for the factors between the success and failure of levothyroxine discontinuation after hemithyroidectomy.
| | Discontinuation of levothyroxine | value | | Success | Failure |
| Age | | | 0.700 | <45 years | 73 | 77 | | ≥45 years | 52 | 49 | | Gender | | | 0.649 | Male | 11 | 9 | | Female | 114 | 117 | | Underlying thyroid abnormality | | | 0.001 | Normal thyroid | 114 | 94 | | Hashimoto thyroiditis | 3 | 4 | | Non-Hashimoto lymphocytic thyroiditis | 8 | 28 | | Preoperative TSH | | | <0.001 | 0.27 ≤ TSH < 2.2 | 113 | 84 | | 2.3 ≤ TSH ≤ 4.2 | 12 | 42 | | Autoantibody | | | 0.844 | Normal | 29 | 31 | | Abnormal | 96 | 95 | | Number of discontinuation attempts | | | <0.001 | 1 | 90 | 63 | | 2 | 19 | 61 | | 3 | 2 | 2 | | 4 | 5 | 0 | | 5 | 9 | 0 | | Initial discontinuation time | | | <0.001 | ≤3 months | 38 | 71 | | >4 months | 87 | 55 | |
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Note: data are number of each item.
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