Bilateral cerebral infarction in diabetic ketoacidosis and bilateral internal carotid artery occlusion: A case report and review of literature

Table 3 Thyroid function at admission and stroke survey after the second stroke

Biochemical data	Reference range	Day 2	Day 7
Free T4 (ng/dL)	1.04-1.27	1.04	-
TSH (μIU/mL)	0.38-5.33	2.58	-
T3 (ng/dL)	76-155	53.5	-
Complement C3 (mg/dL)	79-152	-	70.9
Complement C4 (mg/dL)	16-38	-	21
ANA (titer)	< 1: 80X	-	Homogeneous type 1: 80X
Anti-dsDNA (IU/mL)	< 200	-	62.33
ANCA (titer)	Negative (< 1: 40X)	-	Negative

Day 2: Diabetic ketoacidosis onset; Day 6: Secondary stroke onset. TSH: Thyroid stimulating hormone; ANA: Antinuclear antibodies; ANCA: Anti-neutrophil cytoplasmic antibodies.