Table 2.

Patient characteristics at presentation^*.

Symptoms	ATC	TL
Pooled gender ratio (female:male)	2:1 (117:60)	1.9:1 (211:109)
Rapidly enlarging neck mass (%)	79 (140/177)	88 (275/313)
Dysphagia (%)	40 (40/100)	31 (64/207)
Airway compression/dyspnea (%)	38 (38/100)	31 (47/151)
Hoarseness (%)	44 (44/100)	32 (46/143)
Stridor (%)	8 (8/100)	16 (15/92)
Hashimoto’s thyroiditis ° (%)	0 (0/100)	31 (29/93)
Increased serum TSH (%)	10 (5/52)	50 (24/48)
Neck pain (%)	27 (27/100)	17 (16/92)

^* Symptoms not described in all studies. Ratios hold for patients included in studies that did report these symptoms.

^° Concurrent Hashimoto’s thyroiditis or previous history of Hashimoto’s thyroiditis.