Research Article

Urinary Iodine Clearance following Iodinated Contrast Administration: A Comparison of Euthyroid and Postthyroidectomy Subjects

Table 2

Urinary iodine creatinine ratio change from baseline (microg/g).

All subjects microg/g (SD)Thyroidectomised thyroid cancer group microg/g (SD)Euthyroid control group microg/g (SD)

Week 2-baseline (511.8) 522.0 (562.9)446.3 (506.6)
Week 4-baseline−1.3 (111.9)−33.5 (134.6)26.3 (89.5)
Week 6-baseline−7.5 (118.2)−64.8 (120.1)33.4 (106.3)
Month 2-baseline8.8 (138.7)−39.9 (102.4)43.5 (157.8)
Month 3-baseline28.7 (159.6)−43.7 (142.0)90.7 (156.7)
Month 4-baseline17.0 (140.1)−45.7 (88.0)70.7 (159.7)
Month 5-baseline−24.5 (79.1)−38.2 (90.4)−12.9 (73.3)
Month 6-baseline30.7 (173.4)−21.1 (25.1)60.2 (216.8)

P = 0.005.