TABLE 1.

Comparison of clinical outcomes in COVID‐19 patients with different thyroid function profiles

	Normal TFTs	Non‐thyroidal illness syndrome	Likely pre‐existing autoimmune thyroid disorder	Abnormal TFTs compatible with thyroiditis
Number of patients	305	27	5	30
Clinical deterioration	37 (12.1%)	11 (40.7%)b	0 (0%)	5 (16.7%)
Radiological deterioration	29 (9.5%)	4 (14.8%)	0 (0%)	2 (6.7%)
Oxygen requirement	19 (6.2%)	7 (25.9%)b	0 (0%)	2 (6.7%)
Intensive care unit admission	6 (2.0%)	4 (14.8%)a	0 (0%)	1 (3.3%)
Death	4 (1.3%)	0 (0%)	0 (0%)	0 (0%)

Data presented as number (percentage).

Abbreviation: TFTs, thyroid function tests.

^a p < .01, ^b p < .001 compared with patients with normal thyroid function tests.