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Table 3 Superonasal index (SNI)

From: Total thyroidectomy (Tx) versus thionamides (antithyroid drugs) in patients with moderate-to-severe Graves’ ophthalmopathy – a 1-year follow-up: study protocol for a randomized controlled trial

Normal SNI

<  5.75

 

Danger for optic nerve compression

>  7.0

Grade IV

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Trials

ISSN: 1745-6215