Table 2.

Other autoimmune disorders in Caucasian and Japanese patients with interferon-induced type 1 diabetes mellitus n (%)

Disorder	Autoantibodies	Caucasian	Japanese	Ref.
Autoimmune thyroid disease	Anti TPO	5 (25)	27 (31)	[11,12,18,19,21,22,25,28,29]
	Anti TG
	TSI
Stiff person syndrome	Anti-GAD	1		[21]
Insulin resistance	Anti-insulin receptor	1		[22]
Neuromyelitis optica	Anti AQP-4		1	[30]
Sjogren's syndrome	SS-A, SS-B		1	[26]

TPO: Thyroid peroxidase; TG: Thyroglobulin; GAD: Glutamic acid decarboxylase; TSI: Thyroid-stimulating immunoglobulins; AQP-4: Aquaporin-4.