Clinical Study

Cardiac Effects of Thyrotropin Oversuppression with Levothyroxine in Young Women with Differentiated Thyroid Cancer

Table 1

Baseline characteristics of differentiated thyroid cancer patients based on TNM classification and recurrence-risk stratification system.

AgeThyroidectomyCell typeRemnant
ablation
TNM
system
Recurrence riskLT4
dose
(μg/kg)
TSH
suppression
(year)
Comorbidity
(ongoing medication)

49TotalPapillaryYesT4aN0M0Intermediate3.346CML (imatinib)
36TotalPapillaryNoT2N1aM0Intermediate2.208None
54Near-totalPapillaryYesT1bN0M0Low2.786PMS (HT)
48TotalPapillaryNoT2N1aM0Intermediate2.555HTN (CCB)
33Near-totalHurthleYesT1bN1aM0Intermediate2.666None
38Near-totalPapillaryYesT3N1bM0Intermediate2.806None
38TotalPapillaryYesT2N0M0Low2.799None
50Near-totalPapillaryYesT2N1aM0Intermediate3.056None
41Near-totalPapillaryYesT1aN1aM0Intermediate2.286None
32TotalPapillaryYesT2N0M0Low2.447None
38TotalPapillaryYesT2N1aM0Intermediate3.829None
45TotalMixedYesT2N0M0Low1.677None
51Near-totalPapillaryYesT2N1aM0Intermediate2.797IDA (iron)
48TotalPapillaryYesT1bN1aM0Intermediate3.629PTB

CCB, calcium channel blocker; CML, chronic myeloid leukemia; HT, hormonal therapy; HTN, hypertension; IDA, iron deficiency anemia; LT4, levothyroxine; PMS, postmenopausal syndrome; PTB, pulmonary tuberculosis; TSH, thyroid-stimulating hormone.