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Table 3 Serial dilution test of 21 year old female with very high TSH

From: A single bolus of high dose levothyroxine (L-T4) as a test in cases of suspected poor compliance to L-T4 therapy

Date

TSH (μIU/ml)

Dilution 4×

Dilution 8×

Dilution 16×

Dilution 32×

Day 0

>100

198.76 (4 × 48.94)

199.44 (8 × 24.93)

209.8

221.12

Recovery:

(16 × 13.11)

(32 × 6.91)

100.3 %

Recovery:

Recovery:

(199.44 × 100 %/198.76)

105.5 %

111.2 %

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Thyroid Research

ISSN: 1756-6614